180 U.S. NATIONAL MUSEUM BULLETIN 23 9 



1850. [Remarks on Lymnaea and Helix hortensis.] Proc. Boston Soc. Nat. Hist., 



vol. 3 (March), p. 181. 

 [New species of shells from Africa, presented by Dr. Perkins.] Proc. 



Boston Soc. Nat. Hist., vol. 3 (April), pp. 193-197. 

 Catalogue of shells, with descriptions of new species. Pp. 243-245 in 



part 5 of Lake Superior: Its physical character, vegetation, and animals, 



by Louis Agassiz, Boston. 



1851. [Edited and partly written by Gould.] The terrestrial air-breathing 

 1857. molluscs of the United States, and the adjacent territories of North 



America, by Amos Binney. Boston, 1851, vol. 1, xxix + 366 pp., 16 



pis.; vol. 2, 362 pp.; 1857, vol. 3, Atlas, 40 pp., 74 pis. (6a, 11a, 22a, 



26a, 29a, 40a, 40a [two states], 51a, 51b, 62a, 67a, 67b, 67c [ + 2 pis. 



numbered 72] — most plates hand-colored). 

 [Remarks on California shells.] Proc. Boston Soc. Nat. Hist., vol. 4 



(July), pp. 27-28. 

 [Descriptions of new shells from California, collected by Maj. William 



Rich and Lieut. T. P. Green, U.S.N.] Proc. Boston Soc. Nat. Hist., 



vol. 4 (Nov.), pp. 87-93. 



1852. Mollusca and shells. Vol. 12 in United States Exploring Expedition 

 1856, during the years 1839-1842 under the command of Charles Wilkes, 

 1861. U.S.N. Boston, December 1852, xv+510 pp.; Addenda and cor- 

 rigenda, Philadelphia [1856], pp. 499-509; Atlas, Philadelphia, 1856 

 [1861], 16 pp. + 52 hand-colored pis. 



For a complete collation of this work and a discussion of the official 

 and unofficial editions (no important differences), see Haskell, Daniel C. 



1853. Descriptions of shells from the Gulf of California and the Pacific coasts 



of Mexico and California. Boston Journ. Nat. Hist., vol. 6 (Oct.), 

 pp. 374-407, pis. 14-16. 

 [On the attempts to bring living fresh-water shells from Cuba and Eng- 

 land to this country.] Proc. Boston Soc. Nat. Hist., vol. 4 (April), 

 pp. 287-288. 



1854. [Remarks on the collection of shells made by Col. Perkins and on the 



Nautilus.] Proc. Boston Soc. Nat. Hist., vol. 5 (Oct.), pp. 35-36. 

 [Remarks on Dr. Burnett's paper on the development of mollusks in 

 Holothuridae.] Proc. Boston Soc. Nat. Hist., vol. 4 (April), p. 373. 



1855. List of shells brought home by the U.S.N. Astronomical Expedition. 



In United States Naval Astronomical Expedition to the Southern 

 Hemisphere during the years 1849-1852, Lt. J. M. Gilliss, Superint., 

 Washington, p. 263. 



[Remarks on Pedicularia, with a description of a new species.] Proc. 

 Boston Soc. Nat. Hist., vol. 5 (Feb.), pp. 126-127. 



The results of an examination of some deep dredgings off the coast 

 of Georgia and Florida, by the officers of the Coast Survey. Proc. 

 Boston Soc. Nat. Hist., vol. 5 (Feb.), pp. 126-127. 



New species of land and fresh-water shells from Western North America. 

 Proc. Boston Soc. Nat. Hist., vol. 5 (Feb.), pp. 127-128; (March), 

 pp. 129-130; (Oct.), pp. 228-229. 



Catalogue of shells collected in California by W. P. Blake, with descriptions 

 of the new species. Appendix, art. 2, pp. 22-28, of Preliminary geo- 

 logical report, by W. P. Blake, in Report of a reconnaissance and survey 

 in California in connection with explorations for a practicable railway 

 route from the Mississippi River to the Pacific Ocean in 1853 by Lt. 



