CRUSTACEA COLLECTED IN PUGET SOUND, N.A. 281 



on the proximal third ; carpus swollen, with a few 

 scattered spines on its hind margin. 



Bemaining parts much as in J. maculosa, Leach. 



Colour yellowish, freckled with dull red. 



AMPHIPODA. 

 Family Leucothoid^:. 

 Genus Leucothoe, Leach, 1814. 

 Leucothoe spinicarpa (Abildgaard). 



One young specimen. Length 3 mm. 



I can see no difference between this specimen and those 

 from the British seas, except that the antennae are rela- 

 latively shorter and thicker. 



Family Paramphithoid^. 

 Genus ParamphitJwe , Brugelius, 1859 (part). 

 ParampJiitJwe pugettensis (Dana). 



Iphimedia pugettensis, Dana. 



One specimen. Length 6 mm. Colour orange. 



ParamphitJwe pacifica , n. sp. 



One specimen. Length 4 mm. 



Head as long as the first 2 segments. 



Eyes oval, dark. 



Goxal plates of first two segments about as deep as the 

 segments ; no teeth on the lower margin. 



Pleon segments without dorsal teeth ; posterior angle 

 of the 3rd slightly upturned and sub-acute. 



Upper aiitennce rather more than half the length of the 

 body ; peduncle shorter than the head, the joints pro- 

 gressively decreasing in length and thickness. 



Lower antenna about three-fifths of the length of the 

 upper ; the peduncle longer than the head, and reaching 



