DUTCH BORNEO-EXPEDITION. 161 



N". 1 Upper-Sibau river; Ni°^ 2—5 Sintang ; N". 6 

 Nanga Raoen ; N°^ 7 — 11 Sumatra: N<'^ 7 and 8 Lake of 

 Manindjau, N°'. 9—11 Lake of Siugkarah. 



lerseke, June 1898. 



EXPLANATION OF PLATES 6—8. 



Fig. la — d. Palaemon {Eupalaemon) sintang ensis, n. sp. : anterior por- 

 tion of carapace of four examples, X 3, viz. a of the adult male, 57 mm. 

 long; b of the ova-bearing female, long 54 mm.; c of the other ova- 

 bearing female with monstrous rostrum; d uf the young male, long 

 40 mm. Fig. le second leg of the adult male, long 57 mm., x 3. 

 Fig. 1/ second leg of the male specimen, long 47 mm., x 3. Fig. \g 

 enlarged view of the toothing of both fingers of this male, X 25. 

 Fig. \h second leg of the ova-bearing female, long 54 mm., X 3. 

 Fig. \i the toothing of botii fingers of this leg, x 25. Fig. \j fifth leg 

 of the adult male, long 57 mm., x 3. Fig. \k terminal joint of this 

 leg, X 10. 



Fig. 2a — c. Palaemon {Parapalaemon) Trompii, n. sp. : anterior portion 

 of carapace of three examples, x 3, viz. a of the adult male from the 

 Ketoeugau river; b of the male and c of the female from the Mandai 

 river. Fig. 2a? telson of the adult male fi-om the Ketoengau river, 

 X 3. Fig. 2(? apex of this telson, X 25, the hairs between the inner 

 subterminal spinules have not been figured. Fig. 2/ the larger or left 

 leg of the second pair of the adult male from the Ketoengau river, 

 X 3. Fig. 2^ toothing of both fingers of this leg, X 25. Fig. 2/4 right 

 leg of the female from the Ketoengau river, x 3. Fig. 22 toothing of 

 both fingers of this leg, x 25. Fig. 2; right and Fig. 2k left leg of the 

 second pair of the female from the Mandai river, x 3. Fig. 2/ hand of 

 the right leg of this female, x 6. Fig. 2»2 fifth leg on the left side of 

 the adult male from the Ketoengau river, x 3. 



Fig. 3a — b. Palaemon {Macrohrachimn) callirrhoe , n. sp. : a anterior por- 

 tion of the adult male from the Mandai river, b that of the young male 

 from the Ketoengau river, x 3. Fig. 3c telson of the adult male from 

 the Mandai river, X 6. Fig. '6d right and Fig. 3e left leg of the adult 

 male from the Mandai river, x 3. Fig. 3/ toothing of both fingers of 

 the larger right leg, x 6. Fig. 'èg left leg of the second pair of the 

 young male, long 30 mm., from the Mandai river, x 6. Fig. 2,h tooth- 

 ing of the hand of this leg, x 12. Fig. 'ii left leg of the 5th pair of 

 the adult male from the Mandai river, x 6. 



Notes from the Leyden M.useutri, Vol. XX. 



li 



