374 



CARL BOVALLIUS, AMPHIPODA HYPERIIDEA. I. 2. 



PHRONIMIDiE. 



4. PHRONIMÅ ÅTLANTICA, F. E. GUÉRIN MÉNEVILLE, 1836. 



Pl. XVI, %. 19—26. 



Diagii. Caput segmentis tribus priinis perroi brevius. Segmenta duo priora 2^e'ra;i segniento tertio 

 paullo altiora. Processus tibialis pedurn perai secundi paris dimidio stipitis carpi brevior. 

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

 cessus carpalis tuberculo marginis inferioris longior; tuberculus bidentatus; metacarpus 

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

 paris plus quam tertia parte longius. Latera segmentorum plei jiost acuta, uod producta. 

 Ramus internus pedum iiri secundi paris ramo externo paullo brevior. 



The head is shorter than thc first three perreonal segments together. The first two perceonal 

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

 peraiopioda 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; thc carpal process is longer than the 

 tubercle on the under margin of tiie 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. Phronima aflantica, F. E. GUÉRIN MÉNEVILLE. 



— »Description de quelques 



genres nouveauxdesCru- 

 stacés appartenant ä la 

 famille des Hypérinesn. 

 Magasin de Zoologie. 

 6™' Année, Classe 7""^, 

 p. 7, pl. 18, fig. 1. 



— 1836. Iconographie du Régne 



Animal de G. Cuvier. 

 Crustacés, p. 21, pl. 25, 

 fig. 4. 



H. LucAS. 183S. 'iPhronime». Dictionnaire 



pittoresque d'Histoire 

 natuvelle. Torne 7™^ p. 

 427, pl. 497, fig. 1. 



H.MiLNE Edwards. 1838. Histoire naturelie des 

 Animaux sans vertébres 

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

 Lamark. 2™^ éd. Torne 

 5"^ p. 303. 



