INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 723 



Island Sound, near New Haven ; common in Vineyard Sound and Massa- 

 chusetts Bay j very abundant in Oasco Bay, Bay of Fundy, and Gulf 

 of Saint Lawrence. Off Saint George's Bank (S. I. Smith). Fire 

 Island, Long Island (S* I. Smith). 



Idyia roseola Agassiz. (p. 451.) 



Contributions to Nat. Hist. IT. S., vol. iii, pp. 270-296, Plates 1, 2, 1860; A. 

 Agassiz, Catalogue, p. 36, figs. 52-62, 1865. 



Vineyard Sound to Labrador. Off Gay Head, not common ; common 



in Massachusetts Bay and Casco Bay ; very abundant in Bay of Fundy 



and Gulf of Saint Lawrence. Labrador (Packard). 



% Cestum Veneris Lesueur. 



Nouv. Bull. Soc. Phil., 1813, p. 281, Plate 5, fig. 1 ; Lesson, Zoophytes Acalephes, 

 p. 70, Plate 1, fig. 1. 



Mr. S. I. Smith observed a species, apparently identical with this, at 

 Saint George's Banks, and Mr. A. Agassiz has observed fragments of a 

 similar species near Newport, Ehode Island. This is properly a more 

 southern species, found in the warmer parts of the Atlantic and in the 

 Mediterranean Sea. 



DISCOPHOR^. 



Aurelia flavidula Peron and Lesueur. Plate XXXVI, fig. 271. (p.. 

 449.) 



Ann. Mus. Hist. Nat., vol. xiv, p. 47, 1809; Lesson^op. cit., p. 376, 1843; Agassiz;. 

 Contributions to Nat. Hist. U. S., vol. iii, Plates 6-ll b ; vol. iv, pp. 10, 160 j, A* 

 Agassiz, Catalogue, p. 42, figs. 65, 66. Aurelia aurita Stimpson, Invert.,. of. 

 Grand Manan, p. 11, 1853. 



Buzzard's Bay to Greenland. Common in the upper part of Buzzard's 

 Bay, in spring ; off Gay Head and in Vineyard Sound, in August; 

 abundant in Massachusetts Bay ; Casco Bay ; Frenchman's Bay ;, Bay 

 of Fundy ;* and Gulf of Saint Lawrence. 



Cyanea ARCTICA Peron and Lesueur. (p. 449.) 



Ann. Mus., vol. xiv, p. 51, 1809 ; Agassiz, Contributions, vol. iii, Plates 3, 4, 5, 5 a , 

 10, 10 a ; vol. iv, pp. 87, 162 ; A. Agassiz, Catalogue, p. 44, fig. 67. Cyanea Pds- 

 telsii Gould, Invert., ed. i, p. 347; Stimpson, op. cit., p. 11 {non Brandt J. 



Long Island Sound to Greenland. Common near New Haven ; in 

 Buzzard's Bay ; Vineyard Sound ; very abundant in Massachusetts Bay ; 

 Casco Bay; Bay of Fundy; and Gulf of Saint Lawrence. Fire Island, 

 LoDg Island (S. I. Smith). 



Cyanea fulva Agassiz. 



Contributions, vol. iv, pp. 119, 162, 1862; A. Agassiz, Catalogue, p. 46 (no de- 

 scription). 



Long Island Sound (L. Agassiz). Vineyard Sound (A. Agassiz). 

 I have been unable to distinguish more than one species among the 

 Cyanece of our waters, although they vary considerably in color, just as 



