PANDARID.E. 281 



Abdomen shorter and broader than in the female, and 

 divided into two articulations, the last of which gives off 

 two caudal appendages, considerably larger than those of 

 the female, and armed at their extremity with the same 

 number of, but longer, plumose setae. 



Antennas, foot-jaws, and feet as in female. 



Hob. Belfast Bay ; W. Thompson, Esq. Taken off 

 the Raia bat is, or skate, September 1838. 



Family PANDABIM. 



PANDABIENS (pars'}, M. Edwards, Hist. Nat. Crust., iii, 461. 

 CALIGID^E, RACE in (pars), ZeacA,Dict. Sc. Nat., xiv. 

 PANCAKING, Dana, Proc. Amer. Acad. 



Character. Head in form of a small buckler, provided 

 with frontal plates. A series of one or more pairs of 

 lamellar appendages, like the elytra of many insects, ex- 

 tend along the dorsal surface of the thorax. Oviferous 

 tubes straight, external. 



This family contains only two British genera. 



1. DTNEMOURA. Elytraform appendages, one pair. 

 Three first pairs of feet setiferous ; the posterior foliaceous 

 and membranous. 



2. PANDARUS. Elytraform appendages, several pairs. 

 All the feet fitted to a certain extent for walking, and 

 armed near their extremities with short, thick hooks. 



