206 Rev. T. R. R. Stebbing's Revision of Amphtpoda. 



joint in the palp of the maxillipeds rudimentary, and the 

 third uvopods ending in a tubercular ramus. 



The type species is Acontiostoma Pepinii, Stebbing, of 

 which A. kergueleni is a synonym. 



Paropisa, gen. nov. 



Distinguished from Opisa, Boeck, by having the first side- 

 plates broader and deeper than the second and third, the 

 second joint of the fifth peraeopods produced strongly down- 

 ward, the rami of the third uropods not much longer than 

 tlie peduncle; the telson as broad as long, cleft only to the 

 centre. 



The type species is Op>tsa hispana, Chevreux, of which 

 the mouth-organs have not yet been described. 



Paeatryphosites, gen. nov. 



Near to TrypJiosites, Sars, and Hippomedon, Boeck, but 

 distinguished by the small first joint of the flagellum of the 

 first antennae, the more numerous setse (five) on the inner 

 plate of the first maxilla3, the stouter pera^opods, and the 

 telson less deeply divided, with several spinules on the trun- 

 cate apices. From Hippomedon it is further distinguished by 

 the distinctly subchelate first gnathopods. 



The type species is Lysianassa abi/ssi, Goes. 



Fam. Stegocephalidse. 

 Parandania, gen. nov. 



Pleon rather large. Second antennae with flagellum longer 

 than the peduncle. Lower lip with the lobes very broad, 

 distally truncate, and having a denticle at the outer corner. 

 Mandibles with the cutting-edge very broad, straight, and 

 smooth. The palp of the first maxillas one-jointed. The 

 telson entire. 



The type species is Andania Boecki, Stebbing. 



EUANDANIA, gen. nov. 



In general agreement with Parandania^ but distinguished 

 by having a far smaller pleon, the flagellum of the second 

 antennEe- shorter than the peduncle, the lower lip with the 

 lobes broadly rounded, the telson partly cleft. 



The type species is Andania gigantea^ Stebbing. 



