[699] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETc. 405 
Cod. Common in Casco Bay and Bay of Fundy, low-water to 100 
fathoms. New Bedford, Massachusetts (L. Agassiz). 
MoLGuLA MANHATTENSIS Verrill. Plate X XXIII, fig. 250. (pp. 311, 
445.) ‘ 
Amer. Jour. Science, vol. i, p. 54, Jan., 1871; Tellkampf, Anuals Lyc. Nat. Hist., 
New York, vol. x, p. 83, 1872. Ascidia Mankattensis Dekay, Report on the Nat- 
ural History of New York, Mollusca, p. 259, 1843; Binney, in Gould’s Inverte- 
brata of Massachusetts, ed. ii, p. 25, 1870 (copied from Dekay). Ascidia 
amphora Ag., MSS.; Binney, op. cit., p. 25, Plate 24, fig. 333. 
North Carolina to Casco Bay, Maine. Very common in Great Egg 
Harbor, New Jersey, Long Island Sound, Buzzard’s Bay, Vineyard 
Sound, and Massachusetts Bay. Less common in Casco Bay. Great 
South Bay, Long Island, abundant, (S. I. Smith). 
MOLGULA PELLUCIDA Verrill. (p. 426.) 
Amer. Jour. Science, vol. iii, p. 289, Plate 8, fig. 2, 1872. 
Body subglobular with a smooth, thin, pellucid test. Tubes termi- 
nal, contiguous, much swollen at base, long, divergent, tapering, reticu- 
lated within by longitudinal and circular white lines (muscular fibers). 
Branchial aperture with six papilla. Intestine conspicuously visible 
through the test; stomach covered by.deep orange-colored hepatic 
glands. Ovaries large, whitish. Color of test, pale byaline bluish; 
tubes toward the ends, dull neutral tint. 
Diameter of the largest specimens about 25™™, 
North Carolina to Massachusetts Bay. Massachusetts Bay (L. Agas- 
siz). Long Island (Coll. Peabody Academy of Science). Bird Shoal 
near Beaufort, North Carolina (Dr. H. C. Yarrow). 
' Mr. Binney has published (Plate 22, figs. 315, 316) characteristic col- 
ored figures of this species under the name of M. producta (Stimpson), 
which is a very different, sand-covered species. 
MOLGULA PRODUCTA Stimpson. (p. 502.) 
Proc. Boston Society Natural History, vol. iv, p. 229, 1852; Verrill, op. cit., p. 289, 
Plate 8, fig. 6, 1872; Binney, in Gould, p. 21 (not the figures, which are 
M. pellucida). 
Off Buzzard’s Bay, 25 fathoms, sandy. Massachusetts Bay, low-water 
to 6 fathoms, (Stimpson). 
MOLGULA ARENATA Stimpson. Plate XX XIII, fig. 251. (p. 419.) 
Proc. Boston Soc. Nat. Hist., vol. iv, p. 230, 1852; Binney, in Gould, Invert., ed. 
ii, p. 21; Verrill, Amer. Jour. Sci., vol. iii, Plate 8, fig. 5, 1872. 
Long Island Sound, near New Haven, 3 fathoms, sand; Vineyard 
Sound and Buzzard’s Bay, 5 to 15 fathoms, sand and gravel. Nan- 
tucket (Stimpson). 
MoLGULA PAPILLOSA Verrill. (p. 495.) 
Amer. Jour. Science, vol. i, p. 57, fig. 4, b, 1871; op. cit., vol. iii, p. 211, Plate 8, fig. 
4, 1872. 
Body free, nearly globular, or transversely suboval, usually slightly 
