166 



DISCOPHOR^. Part III. 



C. Reynaudi Zm. — Rhizostoma fulgida Rei/iu, in Lesson, Cent. 



Zool., PI. 2b.— Cape of Good Hope (Reynaud). — Seems to be 

 a distinct species. 



Lesson has figured two other species, imder the names of 

 Chrysaora Gaudichaudi and Chr. Blossevillii, which, unquestion- 

 ably, constitute two distinct genera, though his descriptions 

 afford only imperfect means of characterizing them: 

 Desmonema Ag. Marginal lobes very large and triangular, twelve 

 iu number, and terminating in twelve fasciculated tentacles. 

 Twelve small lobes, eyes (?), alternating with the large lobes. 



D. Gaudichaudi % — Chrysaora Gaudichaudi Less., Voy. Coquille, 



PI. 13, fig. I. — Bay of Soledad, Malouinc Islands, and of Cape 

 Horn (Lesson). 

 Lobocrocis Aff. Margin doubly lobed; the outer row containing 

 twice as many pointed lobes as the inner one, the lobes of 

 which are broadly rounded. Tentacles between alternate mar- 

 ginal lobes. 

 L. BlossevilUi ily. — Chrysaora Blossevillii Less., Voy. Coquille, PI. 

 13, fig. 2.— Coast of Brazil: SI. Catherine's Island (Lesson). 

 Dactylometra Aff. See p. 125. — Chrysaora Lsch. (p. p.). 



D. lactea yly. — Chrysaora lactea Bsch., Acal., PI. 7, fig. ^. — Bay 



of Rio de Janeiro, Brazil (Eschscholtz). 

 D. quinquecirra J^y. — Pelagia quinquecirra Desor, Proc. Bost. Nat. 

 Hist. Soc, 1848, p. 1Q. — Nantucket Bay (Desor); JVaushon (A. 

 Agassiz); between the Bermudas and Azores (J. Drayton, in 

 , Capt. Wilkes' Expedition). 

 Polybostrycha Brandt, 1838; Ay. See p. 126. 



P. helvola Br., Ac. St. Petersb., 1838, PI. 15.— Of Sitka and the 



Aleidian Islands (Mertens). 

 P . . . , A Ag., ^sc— California (A. Agassiz). This, and other 

 species noticed here, will shortly be described. 

 Melanaster Ag. See p. 126. 



M. Mertensii yl^^. — Chrysaora melanaster Br., Ac. St. Petersb., 1838, 



Pis. 16 and Vl . — KamtschatJca : Awatcha Bay (Mertens). 

 M . . . , A Ag., Msc— California (A. Agassiz). 

 Zygonema Ag. See p. 127. 



Z. volutata ^^. — Pelagia volutata Couth., Msc — Harbor of Rio de 

 Janeiro (J. Drayton, in Capt. Wilkes' Expedition). 



Respecting the following genus, see my remarks, p. 122. 



