374 CARL BOVALLIUS, AMPHIPODA HYPERIIDEA. I. 2. PHRONIMIDJE. 



4. PHRONIMA ATLANTICA, F. E. GUERIN MENEVILLE, 1836. 



PI. XVI, fig. 19—26. 



Diagn. Caput segmentis tribus primis persei brevius. Segmenta duo priora percei segmento tertio 

 paullo altiora. Processus tibialis pedum percei secundi paris dimidio stipitis carpi brevior. 

 Pedes quinti paris pedibus quarti paris multo longiores; carpus longior quam latior; pro- 

 cessus carpalis tuberculo marginis inferioris longior; tuberculus bidentatus; metacarpus 

 tuberculo minirao instructus. Femur pedum septimi paris angustum, femore pedum sexti 

 paris plus quam tertia parte longius. Latera segmentorum plei post acuta, non producta. 

 Ramus internus pedum uri secundi paris ramo externo paullo brevior. 



The head is shorter than the first three perasonal segments together. The first two perceonal 

 segments are a little deeper than the third. The tibial process of the second pair of 

 perceopoda is not half as long as the stem of the carpus. The fifth pair are much longer 

 than the fourth; the carpus is longer than broad; the carpal process is longer than the 

 tubercle on the under margin of the joint; the tubercle is two-pointed; the metacarpus is 

 provided with a low tubercle on the front margin. The femur of the seventh pair is 

 narrow, and is more than a third part longer than that of the sixth pair. The lateral parts 

 of the pleonal segments are sharp-pointed behind, but not produced. The inner ramus of 

 the second pair of uropoda is a little shorter than the outer. 



Colour. Hyaline, sparingly spotted with red. 



Length. 10 — 25 mm. 



Hab. The subtropical and tropical regions of the Atlantic and of the Pacific; the Indian 

 Ocean. (D. M.; F. M.; K. M.; P. M.; S. M.; U. M.) 



Syn. 1836. Phromma atlantica, P. E. GUERIN MENEVILLE. — "Description de quelques 



genres nouveauxdesCru- 

 staces appartenant a )a 

 famille des Hyperines». 

 Magasin de Zoologie. 

 6 me Annee, Classe 7 me , 

 p. 7, pi. 18, fig. 1. 



» » » — 1836. Iconographie du Regne 



Animal de G. Cuvier. 

 Crustaces, p. 21, pi. 25, 

 fig. 4. 



» » » H. Lucas. 1838. »Phronime». Dictionnaire 



pittoresque d'Histoire 

 naturelle. Tome 7 me , p. 

 427, pi. 497, fig. 1. 



» » » H. Milne Edwards. 1838. Histoire naturelle des 



Animaux sans vertebres 

 - - - par J. B. P. A. de 

 Lamark. 2 me ed. Tome 

 5 me , p. 303. 



