Publications of Scientific Societies. 73 



NEWPORT NATURAL HISTORY SOCIETY. . 



A sketch of the geological development of the Pacific Slope; by 

 Geo. F. Becker. Proceedings Newport Natural History- 

 Society, 1886-87, Document 5. Newport, 1887. pp. 1-12. 



PHILADELPHIA ACADEMY OF NATURAL 



SCIENCES. 



Journal, 1st series : Vol. 1, 1817— Vol. 8, 1842. 

 Journal, 2d series : Vol. 1, 1847— Vol. 10, 1895. 

 Proceedings, 1st series : Vol. 1, 1841— Vol. 8,1856. 

 Proceedings, 2d series: Vol. 1, 1857— Vol. 14, 1870. 

 Proceedings, 3d series : Vol. 1, 1871— Vol. 24, 1894. 



Descriptions of new marine shells from Upper California, col- 

 lected by Thomas Nuttall, Esq.; by T. A. Conrad. .Jour- 

 nal Phila. Acad. Nat. Sci., 1st ser., Vol. 7, 1837, pp. 

 227-268, pi. 17-20. 



Several of the species appear in the Tertiary formation of Cali- 

 fornia. A list can be found in Dr. Cooper's catalogues. 



Notes on the Miocene and Post Pliocene deposits of California, 

 with descriptions of two new fossil corals; by T. A. Con- 

 rad. Proc. Phila. Acad. Nat. Sci., Vol. 7, 1855, p. 441. 



Ostrea Titan; Pandora hilirata ; Cardita occidentalis ; Biadora cruci- 

 btiMformis. 



These fossils were afterward described and figured in Pacific Rail- 

 road Reports, Vol. VI, 1857. 



Descriptions of three new genera and twenty-three new species 

 of Middle Tertiary fossils from California and one from 

 Texas; by T. A. Conrad. Proc. Phila. Acad. Nat. Sci., 

 Vol. 8, 1856, pp. 312-316. 



Schizopyga Calif orniana; Cryptomya ovalis; Thracia, mactropsis ; 

 My a Monterey ana; M. sxihsinnata; Arcopagia medialis; Tapes lintea- 

 ttimo; Area canalis; A. trileneata; A. congesta; Axincea Barbarensis ; 

 3fulinia densata; Dosinia longula; D.alta; Pecten Pabloensis ; Pallium 

 Estrellanum; Janira bella. 



These fossils were afterward described and figured in Pacific Rail- 

 road Reports, Vol. VI, 1857, pp. 69-73. 



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