PLATE III. 



Fig. lob — \of. Atltaitas Stebbingii de Man. The typical female from Stat. 323. — \ob right leg of the i st 

 pair, X 20; IOC lateral view of the chela of this leg, X 20; io</ left leg of the 2'"' pair, 

 X 20; IOC right leg of the 3rd pair, : ; 20 ; 10/ left leg of the 5'h pair, X 20. 



Fig. 11 — \\f. Arete Iphianassa de Man. — 11 rostrum of the ova-bearing female from Stat. 213, X 33; 

 \\a second pleopod of the male from Stat. 213, X 66; \\b distal half of the two appen- 

 dices, X 135; ii'^ fused part of the left outer antennular flagellum of the male, X 66; \\d 

 of the female, X 66; we larger cheliped of the male, X 17; 1 1/ cutting-edges of the fingers 

 of this cheliped, excepting the tips, X 50. 



Fig. 12 — \2c. Alpheopsis sp. Specimen from Stat. 166. — 12 Frontal and antennal region, X 50 (the setae 

 are drawn simple, not feathered); \2a peraeopod of the i^t pair, X 33; 12^ proximal half 

 of the cutting-edges of the fingers of this leg, X 100 ; \2c leg of the 3'^ pair, X 50. 



F'&- '3> '3'^- Synalpheti'i amboinae (Zehntner). Large chela of the larger specimen from Krakatau, looked 

 at from the outer and from the inner side, X 4- 



Fig. 14, \d,a. Synalphetts hasiilicrassus Cout. var. acanthitelsoniformis de Man. Male from Stat. 115. — 

 14 extremity of telson, X SO; 14a upper side of the basicerite, X 50. 



Fig. 15 — 15^. Synalpheus sp. Egg-bearing female from Stat. 144. — 15 Frontal and antennal region, X 27; 

 I5rt telson, X 27; \^b leg of 3'd pair, X 27; i^c dactylus of this leg, X 106. 



Fig. 16 — l6f. Alpheus anchistus de Man. — 16 Telson of the egg-bearing female from Ambon, X 17; 

 i6a small cheliped of this female, X 11 ; \Gb two of the spinelets on the lower margin of 

 the merus of this cheliped, X 50; \6c leg of y^ pair of the male from Ambon, X H. 



