546 



Memoirs of the Indian Museum. 



[Vol. V, 



Ceylon as 0. nilssoni (Rathke) var. kuriensis, and from Lagoon Minikoi, near the 

 Maldive Archipelago which was afterwards referred by him to H. brevipes, Chevreux. 

 They agree with his specimens in most of the points which he mentions as being 

 different from those of the typical H. nilssoni (Rathke) , a species which has since 

 been united by Stebbing with H. prevostii, Milne-Edwards. 



Fig. 9. — Hyale brevipes. 



a. Upper and lower antennas. d. First gnathopod of female. 



b. Abnormal second antenna with ap- e. Second gnathopod of female. 



pendage. /. Fifth peraeopod. 



c. Appendage more highly magnified. 



The following notes had been made before I noticed that Walker had identi- 

 fied his specimens with H. brevipes and may be of sufficient value to stand. 



I have been able to compare my specimens with European specimens of 

 H. prevostii, identified by Mr. Stebbing and Dr. Caiman respectively. The chief 

 difference seems to be that in the European specimens the process on the carpus in 



