PELAGID^E. 



47 



Cyanea Postelsii Br. 



Cyanea Postehn Br. Mem. Ac. St. Pet., p. STf), IM. 12, 1.1, l.T. 1838. 

 Cyanea Postelsii Agass. Cont. Nat. Ilist. U. S., IV. p. I(i2. 1862. 

 Cyaneoj)sis befirinifiitna Hu. Mem. Ac. St. Pet., PI. 11, Fig. 1. 1838. Young? 

 ? Cyanea fernii/inen Escn. Syst. <1. Aral., p. 70. IH-2'J. 

 Cyanea Postelsii Lkss. Zooph. Acal., p. 387. 1813. 



This species is extremely abundant during the Fall, in tlic riulf of 

 Georgia and the Straits of Fuca, and rivals hi size its representative on 

 the eastern shores of North America. 



Kamtschatka, Aleutian Islands, and Western Coast of North America 

 (Eschscholtz) ; North Pacific, Noifolk Sound, hetween Sitka and Una- 

 laschka (Mertens) ; Port Townsend, W. T. (A. Agassiz). 



Family PELAGID^ Geg. 



Pelagidce Gegenb. Zcitsoh. f. Wiss. Zool., VITI. j). 210. 1856. 

 Pelagidce Agass. Cont. Nat. Hist. U. S., IV. pp. 121, 163. 1862. 



PELAGIA Per. et Les. 



Pelagia Per. ct Les. Ann. du Mus., XIV. p. 37. 1809. 



Pehujia Escii. Syst. der Acal., p. 72. 1829. 



Pelagia Less. Zooph. Acal., p. 388. 1843. 



Pelagia Agass. Cont. Nat. Hist. U. S., IV. p. 163. 1862. 



Diancea Lam. Syst. An. s. Vert., II. p. 507. 



Pelagia cyanella Per- et Les. 



Pelagia cyanella Per. et Les. Ann. du Mas., XIV. p. 37. 1809. 



Pelagia cyanella Escii. Syst. der Acal., p. 75. 1829. 



Pelagia cyanella Bosc. Hist. Nat. des Vers., II. p. 140, PI. 17, Fig. 3. 



Pelagia cyanella Agass. Cont. Nat. Hist. U. S., IV. pp. 128, 164, III. Pis. 13, 13% PI. 12. 



Medusa pelagia Sy,'Ainz. Konig. Vctensk. Akad. 1788. 



Medusa pelagia Lofflixg. Iteise, p. 105. 



Medusa pelagia Lix. Syst. Nat. 



Pelagia americana Per. et Les. Ann. du Mus., XIV. p. 39. 1809. 



Pelagia noctiluca Cham. ; in Choris' Voyage Pittoresque, p. 3. F'g- 68. 



Pelagia denticulata Peu. et Les. Ann. dii Mus., XIV. p. 38. 



Diancea cyanella Lamk. An. s. Verteb., II. p. 507. 



Diancea denticulata Lamk. An. s. Verteb., H. p. 507. 



This species (Fig. 68) is found along the Florida 

 Reef In this genus the eggs develop directly into 

 the young Medusae, and the embryos are never atr 

 tached to the ground. 



Caribbean Sea (Swartz, Loffling) ; Coast of Florida, 

 Tortugas (L. Agassiz). 



Fig. 68. Pelagia cyanella Per. et Les. (copied from Agassiz's Contril)utions). a, umbrella 

 m, actinal appendages ; ^ marginal tentacles. 



