INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 713 



EscJiarina. 



ESCHARIPORA PUNCTATA Saiitt. (p. 424.) 



Op. cit., for 18(37, Appendix, p. 4, (separate copies, p. 4), Plate 24, figs. 4-7, 1868. 

 Lepralia punctata Hassal, Mag. Nat. Hist., vol. vii, p. 363. Plate 9, fig. 7 ; vol. ix, 

 p. 407 ; Johnston, Brit. Zooph., ed. ii, pp. 312 and 478, Plate 55, fig. 1. 



Yiueyard Sound, northward ; northern coasts of Europe to Southern 

 Norway and Great Britain. Vineyard Sound, G to 12 fathoms, on 

 shells, etc., common. Saint George's Bank (S. I.- Smith). (J) Fossil in 

 the Post-Pliocene of Canada (Dawson). 



EsCHARELLA VARIABILIS Verrill. Plate XXXIII, fig, 25G. (p. 419.) 



Escliar'ma variabilis Leidy, Jour. Acad. Nat. Sci., Philadelphia, ser. ii, vol. iii, p. 

 142, Plate 11, fig. 37. Lepralia variolosa Desor, op. cit., p. 66, 1848 (not of 

 Johnston). 



South Carolina to Cape Cod and Massachusetts Bay. Very abundant 

 in Great Egg Harbor ; Long Island Sound ; Buzzard's Bay ; Vineyard 

 Sound ; Nantucket Harbor ; low-water to 25 fathoms. Saint George's 

 Bank, 20 fathoms, (S. I. Smith). Fort Macon, North Carolina (coll. Dr. 

 Yarrow). 



MOLLIA HYALINA Smitt. Plate XXXIV, fig. 264. (p. 420.) • 



Op. cit., for 1867, Ap., p. 16, (separate copies, p. 16), Plate 25, figs. 84-87, 1868. Cel- 

 lepora hyalina Linn^, Syst. Nat., ed. xii, p. 1286. LcpraJia hyalina Johnston, 

 Brit. Zoijph., ed. ii, p. 301, Plate 54, fig. 1. Cellepora nitiila Fabricius, Fauna 

 Groenl., p. 435, 1780. . 



Long Island Sound to Greenland; Spitzbergeu to Great Britain. 

 Common near New Haven and at Thimble Island, in tide-pools and from 

 1 to 6 fathoms, on algne ; Watch Hill, Rhode Island, 4 to 5 fathoms; 

 Buzzard's Bay and Vineyard Sound, abundant ; Casco Bay ; Bay of 

 Fundy, and northward. Fossil in the Post-Pliocene of Canada (Daw- 

 son). 



(?) Lepralia Pallasiana Busk. (p. 496.) 



Catal. Mar. Polyzoa, Brit. Mns., part ii, p. 81, Plate 83, figs. 1,2; Smitt, op. cit., 

 for 1867, Ap., p. 19, (separate copies, p. 19), Plate 26, fig. 93, 1868. Eschara Pal- 

 lasianaMoW, dieSeeriude, p. 64, Plate 3, fig. 13 (t. Smitt). Lepralia pediostoma 

 Hassal, Ann. and Mag. Nat. Hist., vol. vii, p. 368, Plate 9, fig. 4 ; vol. ix, p. 407 ; 

 Johnston, Brit. Zoiiph., ed. ii, p. 315, Plate 55, fig. 7. Esckarina pediostoma 

 Leidy, op. cit., p. 141, Plate 10, fig. 23, 1855. 



Ehode Island, northward ; northern coasts of Europe to Southern 

 Norway and Great Britain. Watch Hill, Rhode Island, 4 to 5 fathoms, 

 on algse; Vineyard Sound, 6 to 14 fathoms, on Fhyllophora and other 

 algse, shells, etc. 



Our specimens do not agree perfectly with the European form. Close 

 to the proximal border of the aperture there is a large, but not very 

 prominent, broad-based spine, or subconical process, which is not 

 conspicuous in a view from above, but is prominent in a side-view. In 



