INVERTEBEATE ANIMALS OF VINEYARD SOUND, ETC. 699 



Cod. Common iu Casco Bay and Bay of Fundy, low-water to 100 

 fathoms, ^ew Bedford, Massachusetts (L. Agassiz). 



MoLGULA Manhattensis Yerrill. Plate XXXIII, fig. 250. (pp. 311, 



445.) 



Am er. Jour. Science, vol. i, p. 54, Jan., 1871; Te^lkampf, Annals Lye. Nat. Hist., 

 New York, vol. x, p. 83, 1872. Ascldia Manhattensis Dekay, Report on the Nat- 

 ural History of New York, Mollusca, p. 259, 1843 ; Binney, in Gould's luverte- 

 brata of Massachusetts, ed. ii, p. 25, 1870 (coi^ied from Dekay). Ascidia 

 amplwra Ag., MSS. ; Binney, op. c ' ., p. 25, Plate 24, fig. 333. 



Xorth Carolina to Casco Bay, Maine. Yery common in Great Egg 

 Harbor, Xew Jersey, Long Island Sonnd, Buzzard's Bay, Vineyard 

 Sound, and Massachusetts Baj^ Less common in Casco Bay. Great 

 South Bay, Long Island, abundant, (S. I. Smith). 



MoLauLA PELLUCID A Yerrill. (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, tai^ering, reticu- 

 lated within by longitudinal and circular white lines (muscular fibers). 

 Branchial aperture with six papillae. Intestine conspicuously visible 

 through the test ] stomach covered by deep orange-colored hepatic 

 glands. Ovaries large, whitish. Color of test, pale hyaline bluish j 

 tubes toward the ends, dull neutral tint. 



Diameter of the largest specimens about 25™™. 



Korth 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. jjroducta (Stimpson), 

 which is a very different, sand-covered species. 



MOLGULA PRODUCTA Stimpson. (p. 502.) 



Proc. Boston Society Natural Hisci)ry, vol. iv, p. 229, 1852 ; Yerrill, 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, sand3^ Massachusetts Bay, low- water 

 to 6 fathoms, (Stimpson). 



MoLGULA ARENATA Stimpson. Plate XXXIII, fig. 251. (p. 419.) 



Proc. Boston Soc. Nat. Hist., vol. iv, p. 230, 1852 ; Binney, in Gould, luvert., ed. 

 ii, p. 21 ; Verrill, Araer. Jour. Sci., vol. iii, Plate 8, fig. 5, 1872. 



Long Island Sound, near I^ew Haven, 3 fathoms, sand ; Vineyard 

 Sound and Buzzard's Bay, 5 to 15 fathoms, sand and gravel. Nan- 

 tucket (Stimpson). 



MoLGULA PAPILLOSA Yerrill. (p. 495.) 



Amer. Jour. Science, vol. i, p. 57, fig. 4, h, 1871 ; op. cit., vol. iii, p. 211, Plate 8, fig. 

 4, 1872. 



Body free, nearly globular, or transversely suboval, usually slightly 



