THE NAUTILUS. 7 



Bulletin of the California Academy of Sciences : Bull. C. A. 8. 



American Naturalist: Am. Nat. 



American Journal of Conchology : Am. J. Conch. 



An asterisk denotes that the species was discovered by Dr. Cooper. 

 In addition to the species named in this list, more than eighty were 

 discovered by Dr. Cooper and described by Newcomb, Carpenter and 

 Gabbin 1863 and 1864. 



1. Report of Explorations and Surveys for a Railroad to the Pacific 

 Coast, Washington, 1860, XII, Part 2. Report upon the Mollusca 

 Collected on the Survey, by William Cooper, with notes by J. G. 

 Cooper, pp. 369-386. Also published in The Natural History of 

 Washington Territory, by J. G. Cooper, M. D., and Dr. G. Suckley, 

 U. S. A., 4to, pp. xiv, 497, New York, 1859. 



* Chrysodomus middendorffii n. sp. (William Cooper). 

 *Nassa gibbsii n. sp. 



*Ancylus caurinus n. sp. ? (No description.) 



* Planorbis planulatus n. sp. 



Also Pac. Railroad Rep., I, 219-221, 1855, Natural History Re- 

 port. Incidental references to Mollusca. 



2. Notice of Land and Freshwater Shells collected by Dr. J. G. 

 Cooper in the Rocky Mountains, etc., in 1860. By T. Bland and 

 J. G. Cooper, Ann. Lye. Nat. Hist. N. Y., VII, 1-9, PL IV, 1861. 



*Helix mullani n. sp. 



* Helix polyyyrella n. sp. 



3. On some New Genera and Species of California Mollusca. 

 Pr. C. A. S. II, 202-207. 1863. 



Strategics n. gen. *Pleurophyllidia calif ornica n.sp. 



*Strategus inermis n. sp, *Doris montereyensis n. sp. 



opahscens n. sp. *Doris sanguined n. sp. 



iodinea n. sp. *Doris alabastrina n. sp. 



*Tritonia palmer i n. sp. * Doris sandiegensis n. sp. 



4. Strategus (preoccupied) changed to Navarclnis. Pr. C. A. S., 

 Ill, 8. 



5. On New or Rare Mollusca Inhabiting the Coasl of California. 

 Pr. C. A. S., Ill, 56-60, fig. 14. 1863. 



Neaplysia n. subgen. *Triopa catalince n. sp. 



*Aplysia californica n. sp. *Dendronotus iris n. sp. 



*Doris albopunctata n. sp. *^%Jolis barbarensis n. sp. 



6. On the New r Genus of Terrestrial Mollusca Inhabiting Califor- 

 nia. Pr. C. A. S., Ill, 62-63, fig. 15. 1863. 



