40 DISCOPHOR^. 



Idyiopsis afflnis Agass. 



Idyiopsis ajffinis Agass. Cont. Nat. Hist. U. S., III. pp. 288, 296. 1860. 



Gulf of Mexico, Tortugas, and Florida (L. Agassiz). 



Order DISCOPHOR^ Esch. 



MedusaricB\^\t,iK. {p. p.}. 1816. 



Me'duses Per. et Les. (p. p.). 1809. 



Discophone planeroccupce ^scu. Syst. d. Acal. 1829. 



Discophorce cryptocarpce Esch. Syst. d. Acal. 1829. 



Ptdmograda^h. (p. p.). Manuel dActinologie. 1830. 



Medusidce Br. (p- p-)- Mem. Acad. St. Petersb. 1833. 



AleduscB Less. (p. p.) Zooph. Acal. 1843. 



SteganopMhalma Forbes. Brit. Nak. Medusae. 1848. 



Acmspeda Gegenb. Syst. d. Med.; in Z. f. W. Zool. 1856. 



Craspedota Gegenb. (p. p.)- Syst. d. Med. ; in Z. f. W. Zool. 1856. 



Lucernariadce HuxL. (non Johnst.). Lectures on Genl. Nat. Hist. . . . 1856. 



Discophorce Agass. Cont. Nat. Hist. U. S., IV. 1862. 



Suborder RHIZOSTOME^ Agass. 



Rhizostomefe Agass. Cont. Nat. Hist. U. S., Vol. IV. pp. 9, 131. 1862. 

 Rhizostomidce Esch. Syst. der Acal., p. 42. 1829. 

 Polystomce Br. Mem. Acad. St. Petersb. 1835, Prod., p. 228. 

 Rhizostomidees Less. Zooph. Acal., p. 404. 1843. 



Family RHIZOSTOMID^ Esch. 



Rhizostomidce Esch. Syst. der Acal., p. 42. 1829. 



Rhizostomidce Agass. Cont. Nat. Hist. U. S., Vol. IV. p. 149. 1862. 



STOMOLOPHUS Agass. 



Stomolophus Agass. Cont. Nat. Hist. U. S., Vol. IV. pp. 138, 151. 1862. 



Stomolophus meleagris Agass. 



Stomolophus meleagris Agass. Cont. Nat. Hist. U. S., Vol. IV. pp. 138, 151 ; HI. PI. 14. 

 Cephea rhizostoma Gibbes (non Lamk.). Fauna of South Carolina. 1847. 



Atlantic Ocean, coast of Georgia. 



Catalogue No. 335, Warsaw Shoals, Georgia, L. Agassiz. 



Museum diagram No. 8 after L. Agassiz. 



