24 



BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



joints of which the first is the shortest. The joints carry two or three 

 setae apiece, giving an appearance very unlike that produced by the 

 conspicuous sensory filaments in the adult males of Leptochelia and 

 Heterotanais. 



FIG. 25. LEPTOCHELIA FORRESTI (AFTER STEBBING). a, SECOND GNATHOPOD. b, FRONT OF HEAD 



WITH EYES. C, UPPER ANTENNA, d, THIRD LEG. 6, FOURTH LEG. /, FIFTH LEG. g, SIXTH LEG. 



h, SEVENTH LEG. i, GENERAL FIGURE, j, LOWER ANTENNA, k, FIRST GNATHOPOD OF RIGHT SIDE. 

 I, TERMINAL PORTION OF ABDOMEN WITH UROPODA. m, PLEOPOD. 



"Second antennas. The first three joints are very small, together 

 not equal to the fourth. The fifth is two-thirds the length of the 



