PLATE IV. 



Fig. IOC. Haliporus Sibogae de Man, the carapace of the male, long 155 mm., from Stat. 74, with the 

 various appendages, viewed from the lower side, :< i '/4 ; 10^ anterior part of the carapace of 

 another female from Stat. 74, k 2; \oe caudal fan of an adult male from Stat. 74, x I'/i 

 10/ and 10^ anterior part of the carapace of two males, long 125 mm., from Stat. 74, X 2 

 loh sternum of an adult male from Stat. 38, long 150 mm., X 3; .^ left leg of the third pair 

 10/ petasma of an adult male, from Stat. 38, looked at from behind, X 3; 107 thelycum of 

 an adult female, long 145 mm., from Stat. 74, where the thelycum appears faintly carinate in 

 the middle line, X 3; lok thelycum of an adult female, long 155 mm., from Stat. 38, in which 

 it appears rhomboid, the two anterior sides making a right angle with one another and 

 separated by grooves from the rest of the sternum, X 3; 10/ left mandibular palpus of an 

 adult male, long 150 mm., viewed from the outer side, x 4; 10;-'^ left maxilliped of the first 

 pair of the same male, •: 3; ion maxilliped of the second pair of the same male, X 3, ^^ the 

 podobranch; 100 terminal joint of this maxilliped, X 5; \Op maxilliped of the third pair of 

 the same male, long 150 mm., from Stat. 38, ■ 2; 10^ the two last joints of the outer footjaw 

 of an adult female, long 155 mm., from Stat. 38, X 2. 



Fig. II. Sole)iocera pectinata (Sp. Bate), distal spiniferous part of the petasma of the male from Stat. 204, 

 looked at from behind, X 25. 



