398 



Records of the Indian Museum. 



[Vol. XII, 



The third abdominal somite is distinctly carinate in its pos- 

 terior half. The telson and uropods (text-figs. 3g, h) are not greatly 

 dissimilar from those of L. mucronatus. 



The largest specimen., an ovigerous female, is about I5'5 mm. 

 in length. 



In general appearance this species bears some resemblance to 

 Trachycaris rugosus, a West Indian form with which it has, of 

 course, no real affinity. From all species of Latreutes hitherto 



Fig. 3. — Patreiifcx poiciiius, sp. nov. 



a. Antennule. e. Second peraeopod. 



b. Antennal scale. /. Third peraeopod. 



c. Third maxillipede. i,'. Telson. 



d. First peraeopod. /;. Apex of telson. 



known it is at once distinguished by the great number of teeth on 

 the carapace. 



Living specimens were variously banded and mottled, some- 

 times with pure white on a ground colour of reddish brown ; one 

 individual was pale pink throughout. 



°'7;" Port Rlair, Andamans. S. Kemp. Fifteen. 



The specimens were all obtained oft" the jett}' on Ross I., liv- 

 ing among weed in company with Lalreutes pygmaeus, L. mucro- 

 natus and Tozeuma armatiim. The types bear the number 9269/10. 



