KS oc BOVALLIUS, SYSTEMATICAL LIST OF THE AMPHIPODA HYPERIIDEA. 
little longer than those of the following pairs, all narrow 
above, broader below. Urus and its appendages sparingly 
covered with hairs. Rami of uropoda long, very narrow, 
sharppointed not serrated, exterior ones longer than interior. 
First pair of uropoda do not reach to the apex of last pair. 
Telson is broader than the peduncle of the last pair. 
Hab. South Atlantic. 
2. I; mirapilis, n. sp. 
Diagn. Head and body covered with very short, minute 
hairs. Carpus of first pair of pereiopoda narrow, not twice 
broader than metacarpus, carrying some bristles, but wanting 
terminal spine. Carpal process of second pair as long as half 
the metacarpus, bordered with short bristles, but without ter- 
minal spine. Metacarpi of both pairs armed with three strong 
spines on each side. Femora of third and fourth pairs nearly 
as long as those of the following, oblong-ovate. Femora of 
last three pairs broader above, narrower below. Urus and its 
appendages entirely without hairs. Rami of uropoda broadly 
ovate, finely serrated, exterior ones shorter than, or as long as 
the interior. First pair of uropoda reach to the apex of the 
last pair. Telson is a little narrower than the peduncle of 
the last pair. 
Hab. Pacific, Bay of Panamå. 
Gen. 33 HYPEROCHE, n. zg. 
Diagn. Body smooth. Head large, deeper than long. 
Antenn&e as in Hyperia. Pereional segments even. First two 
pairs of pereiopoda cheliform, the carpal processes long, knife- 
like. Carpi of third and fourth pairs not dilated. Last three 
pairs subequal, metacarpi not elongated, narrow. HEpimerals 
distinet. Uropoda tolerably short and broad. Telson large. 
1. H. Kroeyeri, C. BovALLiuvs, 1885. 
»On some forgotten genera among the Amphipodos Crustacea» = Bihb. 
till K. Svenska Vet.-Akad. Handl. Bd. 10. N:o 14, p. 17. 
Hab. West coast of Greenland. 
