PLATE VIII. (Crustacea, Plate XCVII.) 

 Achtheinus dentatus, Wilson. 



n.s. 9 . Line indicating natiiral size of female specimen shown in dorsal view, 

 with egg-strings incomplete. The following parts, in the upper half 

 of the plate, of uniform magnification on a higher scale, were taken 

 from the same specimen (except d.l.). 



a.i. Second antenna. 



mx. 2. Second maxilla. 



ped. 1, 2, 3, 4. First, second, third, and fourth feet, the expanded segment of 

 the third and of the fourth incomplete. 



a.l. Anal laminae. 



d.l. Dorsal laminae, from a different specimen, detached from the carapace 

 to show the small lateral laminae " covering the bases of the second 

 legs " (Wilson), in connexion with the two following pairs of 

 foliaceous laminae. 



n.s. $ , n.s. ? . Lines indicating natural size of male specimen shown in dorsal 

 view, and of the female specimen to which it was attached. The 

 following figures, uniform in magnification with the details of the 

 female, are taken from the male. 



a.s., a.i. First antenna in position, and second antenna. 



m., mx. 1. Mouth-tube, with first maxillae and mandibles, the latter with 

 additional magnification. 



mxp. Part of maxilliped. 



ped. 1, ped. 3, ped. The first and third feet, and a foot which is probably the 

 fourth. 



