112 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
LITERATURE. 
Adams, C. B. 
'39. Observations on some species of the marine shells of Massachusetts, 
with descriptions of five new species. Boston journ. nat. hist., 1839, 
vol. 2, p. 262-288, pi. 4 (= 5). 
'40. Descriptions of thirteen new species of New England shells. Boston 
journ. nat. hist., 1840, vol. 3, p. 318-332, pi. 3, figs. 6-9, 11, 13-18. 
Couthouy, J. P. 
'38. Descriptions of new species of Mollusca and shells, and remarks on 
several polypi found in Massachusetts Bay. Boston journ. nat. hist., 
1838, vol. 2, p. 53-111, pi. 1-3. 
Say, Thomas. 
'21. An account of some of the marine shells of the United States. 
Journ. acad. nat. sci. Phila., 1821, ser. 1, vol. 2, p. 221-248, 257-276, 
302-325. 
'27. Descriptions of marine shells recently discovered oh the coast of 
the United States. Journ. acad. nat. sci. Phila., 1827, ser. 1, vol. 5, 
p. 207-222. 
Stimpson, William. 
'51a. Testaceous Mollusca new to Massachusetts Bay. Proc. Boston 
soc. nat. hist., 1851, vol. 4, p. 12-18. 
'51b. [Descriptions of several new species of shells from the northern 
coast of New England.] Proc. Boston soc. nat. hist., 1851, vol. 4, 
p. 113-114. 
Totten, J. G. 
'34. Description of some new shells, belonging to the coast of New Eng- 
land. Amer. journ. sci. and arts, 1834, vol. 26, p. 366-369. 
'35. Descriptions of some shells, belonging to the coast of New England. 
Amer. journ. sci. and arts, 1835, vol. 28, p. 347-353. 
Verrill, A. E. 
'72. Brief contributions to zoology, from the mu.seum of Yale college. 
Recent additions to the molluscan fauna of New England and the 
adjacent waters, with notes on other species. Amer. journ. sci. and 
arts, 1872, ser. 3, vol. 3, p. 209-214, 281-290, pi. 6-8. 
'73. Report upon the invertebrate animals of Vineyard Sound and the 
adjacent waters, with an account of the physical characters of the 
region. Rept. U. S. fish comm., pt. 1, 1873, p. 295-778, pi. 1-38. 
'80. Notice of the remarkable marine fauna occupying the outer banks 
off the southern coast of New England. Amer. journ. sci., 1880, ser. 3, 
vol. 20, p. 390-403. 
'81. Notice of recent adtlitions to the marine Invertebrata of the north- 
eastern coast of America, with descriptions of new genera and species 
