VEGA-EXPEDITIONENS VETENSKAPLIGA ARBETEN. 567 
bristles. The dactyli are longer than two thirds of metacarpi. 
The last three pairs are equal in length, and of the same form. 
Length 5 mm. 
Hab. West coast of Norway. 
2. Parathemisto compressa, A. Goäös, 1865. 
Syn. 1865. Themisto compressa,. A. Goös. »COrustacea Amphipoda 
maris Spetsbergiam al- 
luentis, cam speciebus 
aliis arcticis.» Öfvers.af 
K. Vet.-Akad. Förhandl. 
1865, N:o 8, p. 538, pl. 
41, fig. 34. 
1870. Parathemisto > > A.Boeck. Crustacea Amphipoda 
borealia et arctica, p. 7. 
P. compressa differs from the preceding species by the com- 
pressed, carinated dorsal side of the body, by the more strongly 
armed carpi of the third and fourth pairs of pereiopoda, by 
the seventh pair being longer than the sixth, and by the short 
exterior rami of the last two pairs of uropoda. 
Length 7T—10 mm. 
Hab. Davis Strait; east coast of Greenland. 
3. Parathemisto oblivia, Kroeyer, 1888. 
Syn. 1838. Hyperia oblivia. Kroeyer. >» Gronlands Amfipoder.> 
Det K. Danske Vidensk. 
Selskabs nat. og math. 
Afhandl., Deel 7, p- 70, 
JE se NG 
1887. Parathemisto oblivia > C. Bovallius. >»Systematical list 
of the Amphipoda Hy- 
periidea». Bih. till K. 
Sv. Vet.-Akad. Handl., 
Bd 11, N:o 16, p. 20. 
It differs from the other species by the broadly ovate carpi 
of the third and fourth pairs of pereiopoda, with the dactyli 
almost as long as metacarpi, by the short first pair of uropoda, 
and the broad, triangular telson. 
Length. >? 
Hab. The south coast of Greenland. 
