348 



Records of the Indian Museum. [\Oh. XVI, iqig.] 



of T. orientalis of similar size it is rather more than three times. 



The carpi and propodi of the first 

 two walking legs are thickly coated 

 with short woolly hair. 



The excavation in the lateral 

 margin of the fifth abdominal seg- 

 ment of the male (text-fig. 2i) is a 

 little shallower and the distal parts 

 of the same margin are less conver- 

 gent anteriorly than in T . orienta- 

 lis. 



The carapace of the type male 

 is 4'0 mm. in length and 3"3 mm. 

 in anterior breadth. In life it was 

 uniformly grey in colour, with white 

 lingers to the chelae and with dark 



spots on the merus, carpus and propodus of the walking legs. 



S. Kemp ; Dec igi6. 



Text- fic;. 21. — Tympauomcn/s 

 gaiigcticiis, sp. iiov. 



Abdomen of male. 



l\;iikal Marce, near junc- 

 tion of Matlah and 

 Biddah Ks., Gang'etic 

 delta. 



Matlah R., opposite Port 

 ( anniny, Cianyetic delta. 



Benu-al |«ish. Dept. (B. 

 Prashadi; March, 191 S. 



(^ne. 



TVPK. 



One. 



The water in both these localities probably contains some 

 admixture of salt at all seasons. The specimens were found on 

 banks of soft mud between tide-marks and the specific gravity of 

 the water in the locality where the type specimen was taken was 

 i'oio5 (corrected). 



Tympanomerus ceratophora (Koelbel). 



iSi}S. Dioxippe ceratoplwi'ii. Koelbel, in Wiss. Ergebn. Reise dnifeii beta 

 Sz-L'clienyi in Osfnsien II, p. 573, pi. i, figs. 8-12. 



ii;i,S. '/'v/npai/ovients cerafopliora, Tesch, Decap. Rracliviir. 'Siboga' E.x- 

 ped. I, p. 50, pi. 2, fit^-. 2. 



Hongkong (Koelbel) ; River near Pidjot, Lombok (Tesch). 



