INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 723 



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

 chusetts Bay; very abundant in Casco Bay, Bay of Fundy, and Gulf 

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

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



Idyia roseola Agassiz. (p. 451.) 



Contributions to Nat. Hist. U. 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). 



? Cesium 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, Rhode Island. This is properly a more^ 

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

 Mediterranean Sea. 



DISCOPHOR^. 



AuBELiA FLAVIDULA Perou and Lesucur. Plate XXXVI, fig. 27L (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 6-11'' ; vol. iv, pp. 10, 160 ; A. 

 Agassiz, Catalogue, p. 42, figs. 65, 66. Aurelia aiirita Stinipsou, Invert., of 

 Grand Mauan, 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", 

 10, lO'' ; vol. iv, pp. 87, 162 ; A. Agassiz, Catalogue, p. 44, fig. 67. Cyanea Pos- 

 telsii Gould, Invert., ed. i, p. 347 ; Stinipson, op. cit., p. 11 {non BrandtJ. 



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



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



Casco ]3ay ; Bay of Fundy ; and Gulf of Saint Lawrence. Fire Island, 



Long Island (S. I. Smith). 



Cyanea fulra 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 uiuible to distinguish more than one species among the 

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



