LEPTASPIDIA BREVIPES. 333 
ISOPODA. ASELLIDA. 
NORMALIA. 

* LEPTASPIDIA BREVIPES. 
Specific character. Cephalon large, semicircular, with a slight depression 
in the middle of the anterior margin, its posterior lateral angles rounded. 
First segment of the pereion with the fore margin emarginate, for the reception 
of the hind part of the head; lateral margins of the segments of the body 
entire, rounded, and ciliated. 
Length, one-twentieth of an inch. 
Weare only acquainted with a single individual of the 
single species upon which we have established this genus, 
the specific characters of which cannot consequently at 
present be distinguished from the generic ones, and as our 
specimen was sent to us mounted for the microscope, we 
have not had sufficient opportunity of observation to 
allow us to detail the precise structure of the several 
parts. The antennz are implanted on the under surface 
ur earn 
eri yp yes 
) C % 
oe ag NWI OAA. =a) ; 
, ) OMe) AKA Na ets/ \ MO 
ray LQ. af 4 “4 
PDP Aor, y VU Aa ; 4 5 . 

