pdh.s 



-pdb.\3 



r(r7>.8 07-6.!) 7)if).12 a;-!).l3 nt6.l3 



«J^'6.'9 



(ini 



am 



Fig. 4. — Askicvsflnriati!is. — l]> A, the gills, exposed by the removal of the branchio- 

 stegite, are seen in their natiu-al position ; in B, the podobranchiie («r p. 75) are re- 

 moved, and theanteriorsetofarthrobranchiit turned downwards (x 2) : i, eye-stalk ; 

 2, anteunnle ; 3, antenna ; i, mandible ; C, seajihognatliile ; 7, tirst maxillipede, in H 

 the epipodite, to which the line pioiuts, is partly removed ; S, second niaxillijiede ; 

 0, third maxillipede ; 10, forceps ; lA, fourth ambulatory leg ; 1-5, first alidoniinal 

 appendage; xv., first, and xvi., second abdominal somite: urh. S, urh. fl, orb. IS, 

 th<: posterior arthrobranchiie of the second and third maxillipedes and of the third 

 amliulatory leg ; nrh'. :i, urh'. IJ, the anterior arthrobranchia;. of the third maxillipede 

 and of the tliird amlmlatury leg ; phd. S, podobranchiie of the second nKixilli])cde ; 

 pbil. 1.1, that of the third andiulatury leg ; iilh. I,', plh. IJ, the two rudimentary 

 pleurobranchiie ; plh. lli, the tunctional plemoljianehia ; r, rostrum. 



