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Contents: Descriptive Analyses and Taphonomical Observations of Culturally-Modified Mammoths Excavated at “The Gravel Pit,” Near Clovs, New Mexico in 1936, by Jeffrey J. Saunders and Edward B. Daeschler; A Reevaluation of “Gordius aquaticus difficilis” Montgomery, 1898 (Nematomorpha, Gordioida, Gordiidae), by Douglas G. Smith; Type Specimens of Crustacea Surviving in the Guerin-Meneville Collection, Academy of Natural Sciences of Philadelphia, Earle E. Spamer and Arthur E. Bogan; Notes and Rectification of Errors Concerning the Emil Brendel Types of Pselaphidae (Coleptera), by Donald S. Chandler; The Value of Species as Indicators of Water Quality, by Ruth Patrick and Drew M. Palavage; “Extralimital” Land Mollusks (Gastropoda) From The Deep River Formation, Montana: Evidence for Mesic Medial Tertiary Climate, by Barry Roth and Kenneth C. Emberton; Unique Morphological Innovation and Population Variation in a New Species of Triculinae from China (Gastropoda: Rissoacea), by George M. Davis, Cui-E. Chien and Shu Hua Yu; Thirty New Species of Madagascan Land Snails (Mollusca: Gastropoda), by Kenneth Emberton; Molecular Genetic and Anatomical Relationships Among Pomatiopsid (Gastropoda: Prosobranchia) Genera From Southern China, by George M. Davis, Cui-E. Chen, Xiao Peng Zenb, Shu Hua Yu and Li Li; The Tree Line Avifauna at Cerro Mongus, Prov. Carchi, Northeastern Ecuador, by Mark B. Robbins, Niels Krabbe, Gary H. Rosenberg and Francisco Sornoza Molina; Studies on the Genera ”Gyrosigma” and “Pleurosigma” (Bacillariophycease), by F.A.S. Sterrenburg. Illus.
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