, E. Verrill on Ascidiam from New England. 



Art. XVI. — Brief Contributions to Zoology from the Musexim q, 



Yale College. No. XL Descriptions of some imperfectly know/ 



and new Ascidians from New England; by A. E. Verrill. 



(Continued from page 56.) 



Cynthia stellifera Verrill, sp. nov. Figures 5. 6. 



Body depressed, oval or elliptical, attached by a broad, ex 



panded base, with thin edges. Integument firm, tliick. an. 



opaque, the surface uneven with irregular, imperfei-tly ri'ticu 



lated wrinkles, between which the surface is somewhat raise 1 



producing an irregularly tdfesellated appearance, most iiuispieu 



ous above; the raised parts are minutely granuhms. A sonir 



what elevated, rounded ridge passes from the lowest vm\ .-x *• 



the top and between the tubes, connecting them tc.uvtlicr. 'I'li 



tubes are quadrangular, low, truncate, nearly equnl n littl.' di 



vergent, situated toward the larger end, o 



little to one side, and separated by a s}.;.. 



greater than their diameters ; both li;. 



milar apertures, cross-shaped in pai 

 xpansion, and surrounded by four lai 

 apillose lobes, between which there 

 lany smaller ones (fig. 6, h). 



Color of the body, when living, ret 

 T purplish brown, often yellowish to^ 



in th< 



openings purplish, with 

 ating streaks of flake-white ; the four 

 large lobes are brownish, with numerous small specks and 

 streaks of flake-white, which often predominate over the ground- 

 color. -, 1 ir. 



The largest specimens are about an inch in length, and hall 

 an inch in breadth. , ^ 



At Xew Haven Lieht and Savin Rock, near the entrance of 

 New Haven Harbor, adhering to the under side of stones at low- 

 water mark, — A. E. Verrill. 



Cynthia monoceros. 

 Ascidia monoceros Mo'.ler, Index Mollusc. Groenlandi* in Kroyer's Naturhiat. 

 Cyn^A^f Sllitomato picka'rd, Invert, of Lab., in Mem. Boston Soc. Nat. Hist., i, 



P- 277, 18G7 ; Binney, op. dt, p. 19, PL xxiii, fig. 324, 1870. 



An examination of Dr. Packard's original specimens shows 

 that they are identical with Holler's species. It ditiei-s widely 



