KONGL. ST. VET. AKADEMIENS I1ANDL1NGAR. BAND. 22. N:U 7. 



325 



2. PHRONIMOPSIS TENELLA, TH. STEBBING, 1888. 



Diagll. Caput segmentis tribus primis peraji brevius, multo altius quara longius. Peraiuu non inflatum; 

 segmenta duo ultima non producta (?). Pedes percei secundi paris pedibus primi paris 

 paullo lougiores, apicem carpi pedum tertii paris fere attingentes. Femur pedum quinti 

 paris carpo paullo longius. Rami pedum uri marginibus fimbriates; ramus externus pedum 

 primi paris internum longitudine aequans ; ramus externus pedum secundi paris interno bre- 

 vior. Telson quartan? partem pedunculi pedum uri ultimi paris longitudine tequans. 



The head is shorter than the first three pergonal segments together, and is much deeper 

 than long. The peraion is not inflated; the last two segments are not produced dorsally(?). 

 The second pair of perieopoda are a little longer than the first, and reach almost to the 

 apex of the carpus in the third pair. The femur of the fifth pair is a little longer than 

 the carpus. The rami of the uropoda have the margins fringed with minute hairs; the 

 outer ramus of the first pair is as long as the inner; the outer ramus of the second pair 

 is shorter than the inner. The telson is a fourth part as long as the peduncle of the last 

 pair of uropoda. 



Colour. ? 



Length. "About three-tenths of an inch.» (Stebbing.) 



Hab. The Pacific, »Lat. 35° N., Japan to Honolulu. » (Stebbing.) 



Syn. 1888. Phronimopsis tenella, TH. STEBBING. 



»Report on the Amphipodas. Voy. 

 of H. M. S. Challenger. Zoology. 

 Vol. 29, p. 1374, pi. 164. 



As I have said above this species comes very near to Phro7iinwj>sis Sarsi, and the 

 distinguishing characteristics are few, and of small importance, but as the characteristics 

 of the urus and its appendages suggest a distinction I have not united the species. 



I refer the reader to tlie description and drawings given by Stebbing. 



