DESCRIPTION OF PLATE X. 



Fig. I. — ^ Anatomical features displayed on the removal of the thoracic and ab- 

 dominal carapace: g. = gizzard ; m.g. = mid gut ; h.g. = hind gut ; h.p. = 

 hepatopancreas ; h. = heart; e. = eggs, — apparently loose in the body 

 cavity : natural size. 



Fig. 2. — The junction of mid and hind gut divided longitudinally in the mid line : 

 h.g. = hind gut; m.g. = midgut: x 4. 



Fig. 3. — The five plates at the base of one of the abdominal appendages (see text), 

 X 4. 



Fig. 4. — Second pleopod of the right side : ex. = exopodite ; en. = endopodite ; br. = 

 branchial tuft ; c.s. = copulatory stylet : natural size. 



Fig. 5. — The fifth thoracic segment and appendages of an immature female : 00. = 

 rudimentary oöstegite : natural size. 



Fig. 6. — The fifth segment of the mature female showing the complete stemite : g.a.= 

 genital aperture ; 00. = oöstegite; e. = eggs: natural size. 



i 



