46 C. BOVALLIUS, SYSTEMATICAL LIST OF THE AMPHIPODA HYPERIIDEA. 
dr Jus SORTERS PASISpS 
Diagn. Carpal process of first pair of pereiopoda much 
shorter than metacarpus, strongly serrated along both mar- 
gins. Carpal process of second pair nearly as long as meta- 
carpus, strongly serrated; both pairs provided with long hairs. 
Tibie of third and fourth pairs very elongate; metacarpi 
deeply notched at the lower hinder corners, forming together 
with the dactyli a kind of pincers. Exterior ramus of last 
pair of uropoda longer than half the interior. 
Hab. China Sea. 
Gen. 2. DITHYRUS, Dana, 1852. 
United States Exploring Expedition. Crustacea. Vol. 2, p. 1009. 
ICD faba, DANA, 1852: 
I CC. p. 1OT0, pl. 69, fl 3. 
Hab. Subtropical parts of Atlantic. 
DO 
D. tenuimanus, Crauvs, 1879. 
Die Gattungen und Arten der Platysceliden.> Arb. aus dem Zool. 
Inst. der Univ. Wien und der Zool. Station in Triest. Tom. 2, p. 
158 (12). 
Hab. Atlantic, Cape of Good Hope. 
3. D. erustulum, CrzAus, 1879. 
Hae: Pr59(L3) 
Hab. Zanzibar. 
4. D. stellatus, n. sp. 
Diagn. Body smooth, adorned with some small, radiating, 
red sports. Two first pairs of pereiopoda robust; carpal pro- 
cess of first pair shorter than half the metacarpus, strongly 
serrated. Carpal process of second pair nearly as long as meta- 
carpus, strongly serrated. Femur of fifth pair excavated at 
the anterior margin. Femur of seventh pair bean-shaped, with 
only one appendicular joint. Peduncle of first pair of uro- 
poda not serrated. Exterior ramus of last pair a little longer 
than half the interior. 
Hab. Tropical parts of Atlantic. 
