H. Richardson — Isopods of the Bermudas. 291 



Family Cymothoidse. 

 Nerocila acuminata Schiffidte and Meinert. 



Nerocila acuminata Schioedte and Meinert, Natnrhist. Tidsskr., xiii, jip. 48- 

 50, pi. iii, figs. 5-6, 1881-83. 



Hab, Bermudas, collected by Geoi-ge Brown Goode in 1S76-7. 

 Also recorded from Beloxi, Miss.; St. Anna, Mexico ; Fort Macon, 

 Xortli Carolina. 



Family Sphaeromidae. 

 Cilicaea caudata (Say). 



Nesea caudata Say, Jour. Phil. Acad., i, p. 482, 1818. Milne-Edwards, Hist. 



Nat. des Crustaces, iii, p. 219, 1840. 

 Cymodocea caudata Ives, Proc. Phil. Acad. Nat. Sci., p. 188, pi. vi, figs. 11-14, 



1891. 

 Cilicfva caudata Richardson, Proc. U. S. Nat. Museum, xxiii, p. 536, 1901. 



Hab. Bermudas, at Harrington Sound, Castle Harbor, and the 

 Flatts. Also Egg Harbor, N. J. ; Beaufort, N. C. ; No Name Key, 

 Fla. ; between Salt Pond Key and Stock Island ; Key West, Fla. ; 

 Sugarloaf Key, Fla. ; N. W. end St. Martin's Reef, Fla.; Sarasota 

 Bay, Fla.; off Progreso, Yucatan. 



Found on the surface; also at the depth of 1 to 12 feet. 



Dynamene bermudensis (Ives). 



Cymodocea bermudensis Ives, Proc. Phil. Acad. Nat. Sci., p. 194, pi. vi, figs. 

 15, 16, 1891. 



Hab. Bermudas. Also Pnnta Rassa, Fla.; Cedar Keys, Fla.; Key 

 West, Fla ; No Name Key, Fla.; Sarasota Bay, Fla.; Beaufort, N. C. 



Dynamene perforata Moore. 



Dynamene perforata Moore, Report U. S. Fish Com., ii, pp. 173-174, pi. x, 

 figs. 9-19, 1901. 



Plate XXXIX. Figure 39. 



Head broader than long ; eyes situated post-laterall3\ First pair 

 of antennae with the first two peduncular joints large, the second 

 half as long as the first ; the third joint long and slender, twice as 

 long as second joint ; flagellum consists of seven joints. The first 

 two peduncular joints of the second pair of antenna? are of equal 

 length ; the following three of equal length and longer than the first 

 two ; the flagellum consists of about seven joints, and extends to the 

 posterior margin of the third thoracic segment. 



The thoracic segments are of equal length, with the exception of 

 the first, which is slightly longer. The seventh segment is produced 



