Proceedings of the Academy of Natural Sciences of Philadelphia, Bind 1Academy of Natural Sciences of Philadelphia, 1843 "Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794. |
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ACADEMY OF NATURAL antennæ anthracite Arvicola Ashmead Author basal beaks beneath bituminous coal body body whorl bones brown Cassin Cecidomyia Chair coal collection colour Committee Conrad convex Corresponding Secretary costæ cretaceous dated DONATIONS TO LIBRARY DONATIONS TO MUSEUM ears Edward Hallowell election Elwyn elytra feet fossil genus geological Gliddon Goddard hairs head impressed inch insect John Cassin Journal labrum larvæ Length letter was read limestone Locality male margin MEETING FOR BUSINESS Messrs Miocene Natural History NATURAL SCIENCES nearly oblique observed obtuse palpi paper Pennsylvania Phillips posterior Presented by Dr Proceedings Prof Professor Johnson prominent pronotum punctures referred remarks Report ribs river rounded S. G. Morton S. S. Haldeman Samuel George Morton shells side slightly species specimens striæ striate Strophomena surface suture tail teeth testaceous tion Trenton limestone Unio upper valve Vaux ventricose VICE PRESIDENT MORTON whorls William WRITTEN COMMUNICATIONS