flab, 



Fig. 221a. Mandible of the lobster. 

 pal, palpus. (Natural size.) 



B. 

 flab 



Fig. 2216. First maxilla of 

 the lobster. (Natural size.) 



Fig. 221c. Second maxilla of the lobster. (Natural size.) 



c. 



end, 



Fig. 221d. First maxillipede of the lobster. (Natural size.) 



D. 



Fig. 221e.-Second maxillipede of the lobster, ex, outer, end, inner, division, 

 with the gill and gill-paddle (flab, flabellum). B, third maxillipede; cxp, coxopo- 

 d'te^op^basipodite; ip, ischiopodite; mp, meropodite; cp, carpopodite; pp, pro- 



[To face page 268.] 



; p, aspodite; ip, is 

 ite; dp, dactylopodite. 



