509 
ON THE ANASPIDACEA, LIVING AND FOSSIL. 
The first maxilla of Anaspides (text-fig. 12) consists 
of two biting blades, the upper one armed with stiff spines, the 
TaxtT-EITG. 15, 
- palp, 
Ex. 
S Se ste 
—— ‘ 
——-- 
4 
15° AA 
Second maxilla. ex. Exopodite. 
Anaspides tasmanie. 
1, 2, 3, 4. Gnathobasic lobes. 
Tpxt-FIG. 16. 
ex, Exopodite 
Paranaspides lacustris. Second maxilla. 
, 2, 3, 4. Gnathobasic lobes. 
lower with plumose sete; a palp is present in the form of a 
In Paranaspides the structure is 
small conical tubercle. 
essentially similar, but the palp is rather more conspicuous. In 
