1922] 



S. Kemp : Notes on Crustacea Decapoda. 



171 



more than I '3 times as long as carpus 

 in both sexes; R. 6-7 : 2-3 

 F'. A conspicuous terminal spine on inner 

 side of carpus of second leg. 

 G. Rostrum usually with 8 or more dor- 

 sal teeth ; carpus of second leg of male 

 about equal to or shorter than merus ; 

 R. 7-9 : 2-4 ... 

 G'. Rostrum with 6 or 7 dorsal teeth ; 

 carpus of second leg of male conspi- 

 cuously longer than merus ; R. 6-7 : 2 

 £". Rostrum moderately deep ; last three 

 legs stouter, third pair with merus at most 

 10 times as long as broad, fifth pair not 

 reaching end of scale. 



F. No spine at distal end of carpus of sec- 

 ond leg ; R. 7-8 : 3 

 F'. At least one spine; at distal end of car- 

 pus of second leg. 



G. Only one spine at distal end of car- 

 pus of second leg, situated on inner 

 side. 



H. Foremost pair of dorsal .spines of 

 telson situated in anterior half of tel- 

 son-length; R. 6-10 : 2-5 

 H'. Both pairs of dorsal spines of tel- 

 son situated in posterior half of tel- 

 son -length ; R. 6 : 4 

 G'. Two spines (at least in males) at dis- 

 tal end of carpus of second leg, one 

 on inner side and one above. 

 //. Carpus of second leg 3 to 6 times 

 as long as distal breadth ; propodus 

 of last three legs with spinules on 

 posterior border. 



J. Carpus of second leg of male 

 about 6 times as long as wide, 

 slightly longer than merus ; R. 

 7:2' ... 

 J'. Carpus of second leg of male 

 not more than 4"5 times as long as 

 wide, shorter than merus. 

 f R. 6-8 : 3-5 

 I R. 6-7 : 3-4 

 H' . Carpus of second leg (in female) 

 scarcely 2 - 5 times as long as distal 

 breadth ; propodus of last three legs 

 without spinules on posterior border ; 



R. 8:3 .- 

 D '. Distal spine of antennal scale not project- 

 ing beyond end of lamella [a terminal spine 

 on inner side of carpus of second leg] ; R. 

 7-9: 1-3 

 C. Hepatic spine absent ... 

 B'. Supra-orbital spine absent. 

 C. Hepatic spine present. 



D. Rostrum reaching far beyond antennal scale 



with at least 6 ventral teeth ; R. 9-12 : 6-9 

 D'. Rostrum reaching little if at all beyond an- 

 tennal scale with at most 2 ventral teeth. 

 E. Antennular peduncle reaching beyond an- 

 tennal scale, its last two segments extreme- 

 ly long and slender ; no ventral teeth on 

 rostrum ; R. 6 : o ... 



proximns, sp. now 



andamanensis, sp. now 

 suvadivensis Borr. 



ensifrons (l)ana). 



grandis (Stimpson). 

 vitiensis Borr. 



a (finis Borr. 



elegans (Paulson). 

 holmesi Nobili. 



amy tn one de Man. 



demani Kemp. 

 lifuensis Borr. 



tenuipes Borr. 



longimanii! (Dana). 



