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Origin and Evolution of the Gastropod Family Pomatiopsidae, with Emphasis on the Mekong River Triculinae: Monographs of The Academy of Natural Sciences of Philadelphia, No. 20
Describes an extraordinary endemic radiation of hydrobioid snails in the Mekong River (MR). The monophyletic radiation involving the subfamily Triculinae, 3 tribes, 11 genera, & 92 species, is larger than contemporaneous endemic freshwater gastropod faunas of centers of endemism, such as lakes Tanganyika & Baikal. The study addresses the issue of how higher taxa arise by analyzing the series of adaptive radiations within the MR Triculinae. The worldwide family Hydrobiidae is polyphyletic & includes 2 distinct lineages, the Hydrobiidae sensu stricto & the Pomatiopsidae with the subfamilies Pomatiopsidae & Triculinae. The differences between the two families were masked by convergence in shell, radula, penis, & operculum. Maps & illus.
Feather Mite Family Eustathiidae (Acarina: Sarcoptiformes): Monographs of The Academy of Natural Sciences of Philadelphia, No. 21
The feather mite family Eustathiidae Oudemans is a presumably monophyletic group of ectoparasites restricted to swifts & crested swifts (Apodiformes: Apodidae & Hemiprocnidae). The mites occur in tandem between the barbs of the primary regimes of the wings of field-collected birds & museum skins. Discrete spatial relations exist between the pop’s. of different mite species when these co-occur on an individual bird. The secondaries, tertiaries, coverts, & retrices of the tail provide loci of infestations in such instances. This study establishes a classification & describes the morphology & host-parasite assoc. of the Eustathiidae. All taxa are (re)described, keys are provided for the determination of genera & species, & host-parasite assoc. are cross-listed. Illus.
Australian Blattidae of the Subfamilies Chorisoneurinae and Ectobiinae (Orthoptera): Monographs of The Academy of Natural Sciences of Philadelphia, No. 4
Interest in Asiatic Blattidae coupled with gradual acquisition of considerable Malayan material led to author Hebard’s first large contribution toward a better knowledge of the subfamilies, genera, & species to be found there. Early in his Malayan studies (in the 1920s) he found it advisable to make comparisons, particularly with possibly closely related Australian species of the Blattidae. Having a very small representation of Australian Blattidae in the Phila. collections, Hebard undertook considerable exchanges with Australian Museums. Therefore, the present study was almost completed by 1929. It covers only the first two, but much the least well understood, subfamilies & is based on 551 specimens from the collections listed in the study. 14 plates.
Adults of the Subfamily Tanypodinae (-Pelopinae) in North America (Diptera: Chironomidae): Monographs of The Academy of Natural Sciences of Philadelphia, No. 17
Includes those adult Tanypodinae ( = Pelopinae) found in the U.S. & Canada north of the Mexican border. Includes Greenland but excludes Bermuda, the Bahamas, & the West Indies; only the adults are considered here. Keys are provided for the identification of both sexes, though the prime reliance is upon the characters of the male. The classification used is essentially (with some modification) that of Fittkau (1962). A total of 130 species & 38 genera or subgenera are treated in this paper. Of these, 48 species & 11 genera or subgenera are new. Of the 17 genera of Pentaneurini treated by Fittkau (1962), only “Telmatopelopia” was not found in North America. All the genera listed by Fittkau for the Macropelopiini were found here. “Anatopynia” s. str. wasn’t found.
Study of the Fishes of the Southern Piedmont and Coastal Plain: Monographs of The Academy of Natural Sciences of Philadelphia, No. 7
The region embraced in these studies lies between MD and TX. It comprises the faunas of the various watersheds of this part of the Atlantic and Gulf slopes. Frequent comparison with many of the drainages of the TN and MI valleys has been necessary; much of the material reported from those areas has been re-examined. The inception of this report, however, begins with the collections made by Francis Harper from 1930-1945. The lots of fishes he gathered during his southern trips have been studied. Extensive noteworthy collections were made by Joseph Galloway. These were supplemented by Fowler’s own collecting trips and the staff of the Acad. of Nat. Sci. of Phila. in NC, and of the Southern Piedmont-Coastal Plain Aquatic Survey of 1941 and 1942. Illus.
Scrophulariaceae of the Western Himalayas: Monographs of The Academy of Natural Sciences of Philadelphia, No. 5
This study is based upon the collections made over more than 30 years prior to 1943 by Ralph Steward at Rawalpindi in northwestern India. It was in 1911, as a young instructor there, that Steward commenced the gathering of specimens, & in 1912 that he made his first trip into Kashmir. Since then he had been repeatedly into the Himalayas, spending vacations in Kashmir & collecting in adjacent territory north to Baltistan & east to Ladakh; he traversed the mountains of Lahul & Kulu, & also summered at Landour above Dehra Dun. Author Pennell made Stewart’s acquaintance in 1914 & 1915. Pennell asked that on his return to India he would pay particular attention to the Scrophulariaceae, a request that Stewart amply answered. 25 plates.
Revision of the Classification of the Oscillatoriaceae: Monographs of The Academy of Natural Sciences of Philadelphia, No. 15
Discoveres the extent of morphological variation of the individual species of Oscillatoriaceae, a group of algae which cover a substantial part of the earth’s barren surfaces & constitute a goodly proportion of the conspicuous plants in its bodies of water. The capabilities of these algae for structural change during natural growth in diverse habitats, & in a single habitat as the environment changes, have been ignored. Plants deviating from the “typical” as a result of such variability have been interpreted as atypical or anomalous for the species concerned or have been described forthrightly as taxa new to science. The outcome of this investigation is comparable with that of a similar study of the coccoid Myxophyceae by Drouet & Daily (1956). Over 130 illus.
Plectognath Fishes of the Superfamily Triacanthoidea: Monographs of The Academy of Natural Sciences of Philadelphia, No. 16
The Triacanthoidea is one of 7 superfamilial groupings presently envisioned for the Plectognathi, an order of primarily marine fishes derived of a percoid ancestry during the Eocene. The approximately 320 recent species of plectognaths, of which 26 are triacanthoids, are notable for a high degree of diversity in structure & way of life. The great diversity that is evident between the families of plectognaths also is seen within some families, but not in others. In the case of the triacanthoids, the deep water Triacanthodidae range from relatively normal species through intermediates to weirdly specialized forms with extremely long tubular snouts, while, in comparison, the shallow water Triacanthoidae are of rather uniform configuration. Over 100 illus.
Ostracod Family Entocytheridae: Monographs of The Academy of Natural Sciences of Philadelphia, No. 18
Summarizes, as concisely as possible, our knowledge of the ostracod family Entocytheridae from 1903, when Marshall described the first entocytherid, through those papers published in 1973. Included in this compilation are appropriate synonymies, diagnoses, keys, illustrations of diagnostic characters (chiefly male genitalia), notes on relationships, locality records, hosts, & distribution maps. Contents: (1) Biology: Life History; Morphology; & Hosts & Entocytherid Associates; (2) Taxonomic Treatment: Historical Summary; Explanation of Synonymies, References, & Abbreviations; Family Entocytheridae; Subfamily Microsyssitrinae; Subfamily Notocytherinae; Subfamily Sphaeromicolinae; & Subfamily Hartiellinae. Illustrations.
Saber-Toothed Blennies, Tribe Nemophini (Pisces: Blennidae): Monographs of The Academy of Natural Sciences of Philadelphia, No. 19
The blenniid tribe Nemophini is revised based on the exam’n. of 1,500+ collections. Five genera & 41 species are recognized. The genera recognized are: “Petroscirtes,” “Aspidontus,” “Xiphasia,” “Meiacanthus” & “Plagiotremus.” Descriptions are given for all taxa, incl. 2 new subgenera, 13 new species & 1 new subspecies, & identification keys are provided for all taxa except subspecies. Illus. & distributional maps are given for all species & subspecies. Sexual dimorphism, geographic variation & distribution, biology, nomenclature, evolutionary trends & relationships are discussed. More than a third of the species of Nemophini are involved in mimetic relationships. Possible reasons for such interactions are discussed & leads for additional study are suggested. 200+ illus.
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