﻿402 The Philippine Journal of Science wu 



Fig. 4. Palaemon lanceifrons Dana. M.'ature male, 62.5 millimeters long. 

 No. 6. | 



4'. Right cheliped of same. I 



5. Palaemon lanceifrons Dana (local form). Mature male, 63.5 milli- 



meters long. No. 7. 

 5". Left cheliped of same. 

 5 b . Right cheliped of same. 



5 C . Mobile finger of left cheliped! (fig. 5 a ), inner aspect, x 3. 

 5 d . Immobile finger of same, im^er aspect. X3. 

 5". Young male, 49 millimeters long. No. 1. 

 5 f . Right cheliped of same. 

 5 K . Pigment marks on carapace of Palaemon lanceifrons Dana, 



the local form and Palaemlm lanceifrons Dana var. montal- 



banensis var. nov. x2. 



6. Palaemon lanceifrons Dana var. mo^talbanensis var. nov. Old male, 



65.5 millimeters long. No. 12. 

 6'". Right cheliped of same. 

 6 h . Left cheliped of same. 



6 Q . Immobile finger of left chelipeci, inner aspect. x3. 

 6 d . Mobile finger of same, inner aspect. X3. 

 6 r . Female, 45.5 millimeters long, with eggs. 

 6'. Cheliped of same. 



6 s . Young male, 51 millimeters long. No. 3. 

 6". Cheliped of same. 

 6'. Tip of telson of young male, 43 millimeters long. xl6. 



7. Palaemon lar Fabricus. Old male, 11 4 millimeters long. No. 10. 



~". Right cheliped of same, inner {aspect. 



7 b . Left cheliped of same, outer aspect. 



7 e . Young male. 



7 d . Left cheliped of same. 



7°. Chela of specimen of about the same size as the one shown 



in fig. 7 C . X3. 

 7*. Young male. 

 7 s . Left cheliped of same. 

 ?'". Tip of telson of young male. X,8. 



Plate III | 



Fig. 8. Palaemon jaroensis sp. nov. Old male, 72 millimeters long. No. 6. 

 8'. Right cheliped of same, outer aspect. 

 5". Left cheliped of same, outer aspect. 

 8 C . Outline of chela of left cheliped, hair removed. 

 8 d . Mobile finger of left cheliped. X 2. 

 8". Immobile finger of same. X2. 

 8'. Mobile finger of right cheliped. X 2. 

 8 K . Immobile finger of same. x2. 

 8\ Spines on palm of No. 6. x2. 

 8 l . Spines on finger of No. 6. X2. 

 8'. Right cheliped of female. No. 7. 

 8*. Left cheliped of same. 

 9. Palaemon Upidactylus Hilgendorf. Old male, 5S.5 millimeters long. 

 9*. Left cheliped of same, outer aspect. Carpus shown drawn 



away from palm and hence longer than stated in text. 

 ."". Right cheliped of same, outer aspect. 



