//. Richardmn — Isopods of the Bermudas. ■2\)-'> 



First pair of aiiteniuB with tlie tirst joint of the peduncle long ; 

 second joint half as long as first ; third joint equal in length to first ; 

 flagellum of five joints reaches the ])ost-lateral margin of the licad. 



Second pair of antenna? extend to the middle of the first thoracic 

 segment. 



Thoracic segments subequal. Lateral margins straight. Epimera 

 distinctly separated from segments. 



First abdominal segment long, a little longer than any of the 

 thoracic segments, with two suture lines. Terminal segment very 

 convex, surface smootli, posterior margin widely rounded. Uropoda 

 not extending beyond tip of terminal segment. Inner branch some- 

 what pointed at its extremity, margin smooth. Outer branch widely 

 rounded and crenulate on the posterior edge. 



Legs similar, all ambulatory, with small curved dactyli. 



A number of specimens were collected at the Bermudas in 1 87(3 -7, 

 by George Brown Goode. 



Type in Peabody Museum, Yale University. Cat. No. 3250. 



VALVIFERA. 



Family Idoteidse. 

 Idotea marina (Linufeus). 



Oniscus Diarinus Linnaeus, Fauna Suecica, p. 500, 1701 ; Syst. Nat. (ed. xii), 



p. 1060, 1766. 

 Oniscus trklens Scopoli, Entom. Carniolica, p. 415, 17G8. 

 Oniscus halticus Pallas, Spic. Zool. (9), p. 67, pi. iv, tig. 6, 1772. 

 Stenosoma irrorata Say, Journ. Acad. Nat. Sci. Philad., i, p. 423, 1818. 

 Idotea tricuspidfita Desmarest, Diet, des Sci. Nat., xxviii, p. 373, pi. xlvi, tig. 



11, 1823. 

 Idotea irrorata Milne-Edwards, Hist. Nat Cr., iii, p. 132, 1840. Verrill and 



Smith, Invert. Vineyard Sd., pp. 22, 275, pi. v, tig. 23, from Eeport U. S. 



Comm. Fish and Fisheries, i, pp. 316, 569, 1873. Harger, Rep. U. S. Fish 



Comm., pt. 6. p. 343, pi. v, fig. 24-26, 1880. 

 Idotea 7)iarina Miei's, Journ. Linn. Soc. Lond., xvi, p. 25-31, 1883. (See 



Miers for synon^ymy. ) 



Hab. Bermudas, at the Flatts Lilet, collected by A. E. Verrill and 

 party. Also British Isles ; Kattegat ; Baltic ; Dutch coast ; coast 

 of France; Mediterranean; Black and Caspian Seas; Atlantic coast 

 of North America, from Nova Scotia and the Gulf of St. Lawrence 

 to North Carolina. South America at Desterro and Rio Janeiro, 

 Brazil ; New Zealand ; Red Sea ; Java. 



