A. E. Verrill— Catalogue of Marine Mollusca. "549 
rounded at the end, not armed; a short, stout, conical papilla just 
behind its base, and a lobe below it; farther back, nearer the anal (?) 
opening, there is a small, simple opening, probably urinal. 
Odontophore broad, with very numerous small, strongly hooked, 
acute teeth in each row, all similar except a few near the center, 
which are less curved and not so acute; no median tooth. 
This genus will probably have to be made the type of a new 
family, Heterodoride. 
Heterodoris robusta Verrill and Emerton, sp. nov. 
PLATE LVIII, FIGURES 35, 35a, 350. 
Body short, thickest anteriorly, back convex; bead large and 
broad, rounded; foot broad, lanceolate. Dorsal tentacles stout, cla- 
vate, obtuse, lamellose. Longitudinal crest extending from front 
edge of mantle to some distance beyond the tentacles. Back 
sparsely covered with conical papillz, unequal in size and irregularly 
placed. Mantle edge along the sides, undulated and crenulated. 
Radula with about 168 teeth in a transverse row. 
Color in life, deep orange. Length of the preserved specimen, 
28™™'; breadth, 15™™: height, '11™™. 
Off Martha’s Vineyard, station 1029, in 458 fathoms. 
Doris complanata Verrill. 
Doris complanata Verrill, Amer. Journ. Sci., xx, pp. 392, 399, Nov., 1880; Proc. U. 
S. Nat. Mus,, ili, p. 386, 1880. 
PLATE LVIII, FIGURES 34, 34a, 340. 
About 70 miles south of Martha’s Vineyard, station 872, in 85 fath- 
oms, among sponges (eleven specimens), 1880; stations 940, 949, 
1038, in 100 to 146 fathoms, 1881, several large specimens. Off | 
Delaware Bay, station 1043, in 130 fathoms, several specimens. 
Acanthodoris ornata Verrill. 
Acanthodoris ornata Verrill, Amer. Journ. Sci., xvii, p. 313, 1879. 
Puate XLII, FIGURE 12. 
fastport, Me., at low-water mark, August 19, 1872. 
Acanthodoris citrina Verrill. 
Acanthodoris citrina Verrill, Amer. Journ. Sci., xvii, p. 313, 1879. 
Eastport; Me., at low-water mark, 1868, 1870. 
This is closely related to A. stellata (= A. pilosa), which also some- 
times occurs more or less marked with yellow colors. A. bifida V. 
is only a variety of A. stellata. 
