340 



CARL BOVALLIUS, AMPHIPODA HYPERIIDEA. I. 2. 



PHRONIMID^. 



Dairella latissima. 



The ijleoH is a little deeper than the perajon, and is nearly as long as the last 

 four perteonal segments together. 



The urus is much longer than the last pleonal segment. The iirst ural segment is 

 as long as, and scarcely broadex' than, the last coalesced segment, which is somewhat 

 broader than long. 



The uropoda (Pl. XV, tig. 20. The first pair reach a little beyond the middle of 

 the outer ramus of the last pair; the peduncle does not reach to the apex of the peduncle 

 in the second pair. In other respects the uropoda are like those in the male. 



The second subfamily PHRONIMIN^. 



Diagn. Caput magnum, altuiri, conicum. Epimera cum segmentis percvi coalita. Pedes percei quinti 

 paris instrumenta prensoria formantes. 



The head is large, deep, and conical. The epimerals are coalesced with the personal seg- 

 ments. The fifth pair of perceopoda form a prehensile organ. 



Syn. 1853. Fhrommmw, J. D. DANA. 



Phronimides, SPENCE BATE. 



Phronimince, J. I). DANA. 



— »On the Classiticatiou of the 



Crustacea Choristopoda or Te- 

 tradeoapoda». The American 

 Journal of Science and Arts. 

 Second Series. Vol. 14, p. 315. 



— 1852. United States Esploring Expe- 



dition. Crustacea. Vol. 2, p. 

 1000, 1001 and 1442. 



— 1862. Catal. Amph. Crust. Brit. Mu- 



seum, p. 316. 



Spence Bate andWESTWOOD. 1868. A History of the British Sessile- 



eyed Crustacea. Vol. 2, p. 20. 



Th. Streets. 1877. »Contributions to the Natural 



History of the Hawaiian and 

 Fanning Islands and Lower 

 California». Bulletin of the 

 United States National Mu- 

 seum, 1877, p. 128. 



C. Claus. 1879. »Der Organismus der Phronimi- 



den». Arb. Zool. lust. der 

 Universität Wien. Tom. 2, 

 p. 61 (3). 



J. V. Cards. 1885. Prodromus Faunae Mediterraneae. 



Vol. 1, p. 423. 



A. Gerstaecker. 1886. Dr. H. G. Bronn's Klassen und 



Ordnungen des Thier-Reichs. 

 5*" Bd. 2'« Abth., p. 488. 



