ONISCUS. Class V. 



3. Marinus. Gm. Lin. 3011. \ Zool. ix. 66. t. 4. /. 6. A. 



Semicylin- Q bahhicus . PttUas ^j c . B. C. D. 



one. 



[O. with an hard subcylindrical body ; tail ovate- 

 oblong pointed ; length not exceeding an inch. 

 Tab. xix. fig. 3. 



4. Oceani- Gm. Lin. 3012. Ligia oceanicus. Bosc. Hist. 



BiffJailed. ; ^C^.ii.lQO. 



[O. with a body of an oval form, tail bifid, each 

 division also bifid. Tab. xix. Jig. 4. 



5. Entomon. Gm. Lin. 3010. Pallas spic. Zool. ix. 64. t. 5. 

 Four-feelered. Asellus marinus, cornubiensis f. 1—6. 



alius. Raii ins. 43. Idotea entomon. Bosc. ii. 178. 



[O. with an hard ovate body, growing slenderer 

 towards the tail ; tail oblong, of three hard im- 

 bricated pointed scales above, and one blunt 

 beneath; antennae four; color a dirty white, 

 inclining to cinereous on the back ; length more 

 than two inches. Tab. xix. fig. 5. 



6. (Estrum. Gm. Lin. 3010. f. 13. 



' "" ' Pallas spic. Zool. ix. 74. t. 4. Idotea oestrum. Bosc. ii. 17{)r 



[O. with a thick, oblong, softish body, becoming 

 broader towards the tail ; the abdomen covered 



