144 



CRUSTACEANS OF THE 



I give the measurements (iu millimetres) of six speci- 

 mens (3 cfcT, 3 ?$) and also those of the two type-spe- 

 cimens of Pal. (Eupal.) Ritsemae from Atjeh : 



N°^ 1 — 6 Pal. sintangensis : N°^ 4 and 5 ova-bearing; 

 N°^ 7 and 8 Pal. Ritsemae de M. from Atjeh: N". 7 

 without eggs, N". 8 ova-bearing. 



Palaemon (Parapalaemon) Trompii., n. sp. 



Fig. 2. 



An adult male and an egg-bearing female collected by 

 Max Moret in the Ketoengau river, August 1894; 4 spe- 

 cimens from the Mandai river at Nanga Raoen , viz. one 

 male and three egg-bearing females ; 2 very young speci- 

 mens from Sintang. 



Like the preceding, this new species that I like to 

 dedicate to Mr. Tromp, the late Resident of Dutch West- 

 Borneo , is also characterized by the female carrying only 



Notes froin the Leyden IMuseum, "Vol. XX. 



