2 I I 



long and that also in one of the dry specimens (in the other both legs are lost) the left leg 

 reaches beyond it. 



In the specimen from Stat. 164 and in that from Stat. 313 the peraeopods of the 3"' 

 pair project by the dactylus, the propodus and one-third or fourth of the carpus beyond the 

 external ma.xillipeds; the two following pairs are wanting. In the legs of the 3"' pair the carpus 

 is a little longer than the merus, the propodus just half as long as the carpus and the dactylus 

 measures one-third the proi)odus. In the young male from -Stat. 7 1 the three posterior legs 

 are present; as is shown by the measurements the 5''' jiair agrees in length with the 3"', 

 except the dactylus which is a little longer, while the 4"' legs are longer than those of the 

 3''<' and 5''^ pair. 



In the pleopod of the 2"'^ pair of the young male from Stat. 71 the exopodite is about 

 one-fourth longer than the protopod. At the proximal third of the inner branch, which is but 

 little shorter than the outer, two appendages are implanted: at the outer side a slender stylamblys 

 that measures somewhat more than one-fifth the length of the endopodite and that bears a 

 cluster of cincinnuli at the tip, and between the stylamblys and the branch an appendix mas- 

 culina, that is a little more than twice as long as the stylamblys, the proportion being as 16:7; 

 the appendix masculina is slender, i6-times as long as thick and carries 3 setae of unecjual 

 length at the tip. In the much larger female from Stat. 313 the stylamblys measures but one- 

 sixth the length of the endopodite. Both branches are rather narrow. 



Table of Measurements in millimeters: 



Length of telson | 



Width of telson at base 



Width of tip of telson 



Distance between the base of the telson and the anterior pair of spinulcs . 

 Distance between the base of the telson and the posterior pair of spinules 



Length of the carpus of the chelate leg 



Width of this carpus anteriorly 



Length of the palm of this leg 



Length of the fingers of this leg 



Length of the carpus of the simple leg 



Width , „ , , , „ „ • 



Length of the propodus „„ „ „ 



Length of the dactylus „„ „ v 



Length of the merus of the third leg 



V V V carpus „ „ , , 



„ r, V propodus „ , , „ , 



„ „ „ dactylus „ , „ „ 



Length of the merus of the fourth leg 



„ , carpus „ „ , , 



„ , , propodus „ „ , „ 



„ , , dactylus „ „ „ „ 



Length of the merus of the fifth leg 



» « V carpus „ „ „ „ 



r, V , propodus „ , „ r, 



n r, dactylus „ „ „ y, 



