158 



CRUSTACEANS OF THE 



Measurements in mm.: 



N°'. 1 — 3 Nanga Raoen , N°. 4 Ketoengau river. 



Palaemon (Macrobrachium) pilimanus de M. 



Confer : de Man , in : Max Weber , Decapodeu des indi- 

 schen Archipels, 1892, p. 471. 



One adult male from the Upper-Sibau river. 



One male and one ova-bearing female , both of middle 

 size, from the Mandai river at Nanga Raoen. 



3 young individuals , one of which with eggs , from the 

 Ketoengau river. 



3 young males, one adult and one younger female, both 

 with eggs, from Sintang. 



7 young specimens from the Kapoeas river at Sanggau. 



1) The rostrum being broken, the distance between the anterior margin of the 

 carapace and the end of the telson is given here. 



Notes from tlie Leyden Museum, "Vol. XX. 



