576 Monograph of the 



The sternum is quite flat, more so than in ornatus. 

 Abdomen of male slightly broader than in ornatus^ and 

 penultimate segment considerably broader at its base, 

 giving a somewhat different outline to the lower part of 

 the tail. The intromittent organs are quite characteristic, 

 being long and straight, reaching beyond the middle of the 

 penult segment of the abdomen, but not to its extremity ; 

 and their tips are slightly turned outwards. The meros 

 joint of the chelipeds is armed with three spines, but they 

 are not so close together as in ornatus, and the spine at 

 the base of the manus is much longer and curved. It is 

 somewhat smaller than the hastatus. 



CALLIKECTES TOXOTES, nov. sp. 



Carapax quite broad and rather convex, rather sparsely 

 granulated, the areolations quite distinctly marked, the 

 cardiac region distinctly divided into two lobes by a fur- 

 row dowMi its middle and a prominence on each side. In- 

 tra-mcdial region rather long and narrow. Front armed 

 with four sub-equal, obtuse teeth. Sub-median tooth of 

 front slender and obtuse. Pterygostornian region as in 

 the preceding species. Sternum quite flat. The abdo- 

 men of the male is very broad, and bears a very close re- 

 semblance to that of hastatus, except that the anteperml- 

 timate segment is not quite so much constricted at its 

 base. The intromittent organs are also very long, reach- 

 ing almost to the end of the tail ; but instead of curving 

 inwardly, as in hastatus, for two thirds of their length they 

 curve outwardly, and the ends make an almost circular 

 curve, so that their tips are brought together. I have not 

 seen a female. 



The chelipeds are quite stout. The granulations on the 

 costa; of the manus and carpus arc quite coarse. The 

 number of spines on the joints of the chelipeds is the same 

 as in hastatus. Tlic three spines on the meros are long 

 and slender, and quite remote from each other. 



