20 ce BOVALLIUS, SYSTEMATICAL LIST OF THE AMPHIPODA HYPERITIDEA. 
1. H. antarctica, n. sp. 
Diagn. Head more than twice deeper than long. Flagella 
of both pairs of antenn&e (in the male) short, with long slen- 
der articuli, less than twelve in member. Carpus of first 
pair of pereiopoda very dilated, nearly as broad as long, frin- 
ged with strong, simple bristles; metacarpus and dactylus 
equally serrated along the inner margins. Carpal process 
of second pair longer than half the metacarpus, fringed 
and tipped with strong, simple bristles; metacarpus and dacty- 
lus  equally serrated as in preceding pair. Metacarpi of 
third and fourth pairs somewhat elongated, equally serrated. 
Dactyli shorter than half the metacarpi, smooth. Metacarpus 
of fifth pair elongated, provided with a comb-like, serrated 
edge as in Euthemisto libellula. Metacarpi of sixth and seventh 
pairs not elongated, broad, finely serrated along the anterior 
margins. Telson equals a fourth of the length of the peduncle 
of the last pair of uropoda. 
Hab. Antarctic Seas, around Cape Horn. 
2. H. fuscea, Dana, 1852. 
United States Exploring Expedition. Crustacea. Vol. 2. p. 983; fig. 8. 
Hab. Tropical parts of Atlantic. 
3. EL pupa, A. Costa, 1853: 
Rend. della Reale Accademia delle Scienze. Napoli, 1853, p. 178. 
Hab. Mediterranean. 
Gen. 6. PARATHEMISTO, A. BozecK, 1870. 
Crustacea Amphipoda borealia et arctica, p. 7. 
1. P. abyssorum, A. BoecK, 1870. 
Br CP 
Hab. West coast of Sweden and Norway. 
2. P. oblivia, KrRorEreEr, 1838. 
»Gronlands Amphipoder, Det Kongl. Danske Vidensk.-Selsk. nat. og 
math. Afhandlinger, Deel 7, p. 70, pl. 4, fig. 19. 
Hab. Greenland. 
