[665] INVERTEBRATE ANIMALS OF VINEYARD SOUND. ETC. 371 
a little prominent, the sides extended backward, and forming a curve 
continuous with that of the foot. 
Color purplish brown, sprinkled with white specks ; tentacles deep 
brown, specked with white, tips yellowish; gills purplish at base, the 
edges and tips usually yellow; foot similar in color to mantle, but 
lighter. : 
Long Island Sound, at Savin Rock, near New Haven, to Eastport, 
Maine, under stones, at low-water mark. 
ONCHIDORIS PALLIDA Verrill. (p. 495.) 
American Journal of Science, vol. 1, p. 408, 1870; vol. iii, p. 212, 1872. Doris 
pallida Ag. MSS.; Stimpson, Invert. of Grand Manan, p. 26, 1853; Gould, In- 
vert., ed. ii, p. 229, Plate 20, figs. 284, 287, 288, 291. 
Off Cuttyhunk Island; Massachusetts Bay; Casco Bay; Bay of 
Fundy. In Eastport Harbor, not uncommon, from low-water mark to 
30 fathoms. 
PoOLYCERA LEssonil D’Orbigny. (p. 400.) 
Magazine de Zodl., vol. vii, p. 5, Plate 105 (t. Gould); Alder and Hancock, Brit. 
Nud. Moll., Fam. 1, Plate 24; Gould, Invert., ed. ii, p. 226, Vlate 17, figs- 
242--248. Doris illuminata Gould, Invert., ed. i, p. 4, 1841. 
Long Island Sound to Labrador; European coasts, from Sweden to 
France and Great Britain. Savin Rock, near New Haven, Connecticut, 
at low-water, and off South End in 4 to 5 fathoms; Watch Hill, Rhode 
Island, 3 to6 fathoms. Common iu Casco Bay and Bay of Fundy, from 
low-water mark to 20 fathoms. 
DENDRONOLUS ARBORESCENS Ald. and Hancock. (p. 495.) 
British Naud. Moll, Fam. 3, Plate 3, 1850; Gould, Invert., ed. ii, p. 234, Plate 22, 
figs. 311-313. Doris arborescens Miiller, Zodl, Dan. Prod., p. 229, 1776; Fabri- 
cius, Fauna Gronl., p. 346, 1780. Tritonia arborescens Cuvier; Gould, Invert., 
ed. i, p. 5. Tritonia Reynoldsii Couthouy, Boston Journ. Nat. Hist., vol. li, p- 
74, Piate 2, figs. 1-4, 1838. 
Watch Hill, Rhode Island, ia + to5 fathoms, common on Laminaria 
wnong Obelic ; northward to Greenland; on the European coasts south 
to Great Britain and France; Sitka (Middendorff), Wery common in 
the Bay of Fandy and Casco Bay, from above low-water mark to 60 
fathoms. Rare and local south of Massachusetts Bay. 
Doro coronatTa Lovén. Plate XXV, fig. 170. (p. 400.) 
Arch. Scand. Nat., p. 151 (t. Stimpson); Ofvers. af Kongl. Vet.-Akad. Fiérhand- 
lingar, vol. iii, p. 139, 1846; Alder and Hancock, Brit. Nud. Moll., Fam. 3, 
Plate 6; Gould, Invert., ed. ii, p. 236, Plate 16, figs. 233-237. Doris coronata 
Gmelin, Syst. Nat., p. 8105, 1790. 
New Jersey to Labrador ; on the northern European coasts, southward 
to Great Britain, Holland, and France. Great E gg Harbor, New Jersey, 
1 fathom, (A. E. V. and 8. I. Smith); Long Island Sound, near New 
Haven; off Gay Head, Martha’s Vineyard ; off Watch Hill, Rhode Isl- 
and, 4 to 5 fathoms, on Obelia. Common in Massachusetts Bay, Casco 
Bay, and Bay of Fundy, from low-water mark to 15 fathoms. 
