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534 A. #. Verrill— Catalogue of Marine Mollusca. 
Cocculina Rathbuni Dall, op. cit., p. 403. 
Off Martha’s Vineyard, station 937, 506 fathoms. West Indies, 
399 and 5024 fathoms, Blake Exp. (t. Dall.) 
DOCOGLOSSA. 
Lepetella tubicola Verrill and Smith. 
Lepetella tubicola Verrill and Smith, in Verrill, Amer, Journ. Sci., xx, pp. 391, 396, 
Nov., 1880; Proce. U. 8. Nat. Mus., iii, p. 375, 1880. 
Dall, Proc. Nat. Mus., iv, p. 408, 1882 (anatomy, dentition, etc.) 
PLATE LVIII, FIGUKES 29, 29a. 
Off Martha’s Vineyard, in old tubes of Hyalincecia artifex V. 
Stations 869, 870, 880, 894, 895, 938, 940, 945, 947, 952, in 130 to 
388 fathoms. 
Mr. Dall, in the article cited, has constituted for this genus, a new 
subfamily, Zepetellinw, in the family Lepetide.. The subfamily 1s 
characterized by the presence of eyes, and the peculiar nature of the 
dentition. Young and perfect specimens of this shell show that the 
nucleus is subspiral (fig. 29). 
POLY PLACOPHORA. 
Leptochiton cancellatus (Sby.) Gray; H. and A. Adams. 
Lepidopleurus cancellatus G. O. Sars, Moll. Reg. Arct. Norvegiz, p. 111, pl. 7, figs. 
6a—h. 
Leptochiton cancellatus Verrill, Amer. Journ. Sci., xvii, p. 312, 1879. 
Off Halifax, 96 fathoms, 1877; Bay of Fundy, 1872, seven spect- 
mens; LeHave Bank, station 878, 60. fathoms, 1872, ‘“ Bache,” 
Cashe’s Ledge, 30-40 fathoms, 1874. Gulf of St. Lawrence, 220 
fathoms, coll. Whiteaves (t. Dall). 
Leptochiton alveolus (Sars) Lovén. 
Lepidopleurus alveolus G. O. Sars, op. ult. cit., p. 110, pl. 7, figs. 3, a 
Leptochiton alveolus Verrill, Amer. Journ. Sci., xvii, p. 312, 1879. 
Gulf of Maine, 150 fathoms, “ Bache,” 1872. 
Hanleyia Hanleyi (Bean) Carp. 
Chiton Hanleyi G. O. Sars, op. cit., p. 109, pl. 7, figs. 5, a7. 
Off Cape Ann, Mass., 83 miles, in 38 fathoms, 1878. 
Perhaps only a variety of A. mendicarius. 
