;Q22.| S. Kemp: Notes on Crustacea Dccapoda. 141 



/""'. Second leg with carpus one-third or less 

 than one-third length of palm. 

 G. Rostrum with at most 10 dorsal 

 teeth. 



//. Fingers of second leg more than 

 half as long as palm, ? without teeth 

 on inner margins [merits of second 

 leg with tooth at end of lower hol- 

 der]; R. 6 : 1 ... ... gracilis ( Dana). 



H' . Firgers of second leg half or less 

 than half as long as palm, dactylus 

 with a tooth fitting into a cavity in 

 fixed finger. 



J. Rostrum straight or upturned ; 

 merus of second leg unarmed ; 

 last three legs slender with merus 

 unarmed and without thick hail. 

 A'. Fused portion of outer anten- 

 nular rlagellum short ; second 

 legs smooth ; two pairs of spines 

 on back of telson. 

 /.. Hepatic spine on a level with 

 antennal ; dactylus of second 

 leg flanged externally ; R. 

 7-8 : 2-3 ... ... I at) poll ex, sp. now 



L ' . Hepatic spine below level of 

 antennal ; dactylus of second 

 leg not flanged externally ; R. 

 10 : 2-} . ... laccadivensis l' Ale. and 



And.). 

 A''. Fused portion of outer anten- 

 hular rlagellum very long; se- 

 cond legs minutely tuberculatc ; 

 four pairs of spines on back of 

 telson ; R. Q : 3 ... .. nlcocki, sp. nov. 



J' . Rostrum downcurved ; merus of 

 second leg with tooth at end of 

 lower border ; last three legs stout, 

 inferior margin of merus with 

 spinules and distal tooth, propodus 

 densely clothed with hair ; R. 

 8-0, : 0-1 ... ... ... lanipes, sp. now 



C. Rostrum with 23 dorsal teeth, lower 



border unarmed ... rex; sp. nov. 



E . Lateral process of antennular peduncle 

 abnormally long, reaching distal end of 

 basal segment ; R. 9 : 1 ... ... investigatoris, sp. nov. 



D' . Each finger of chela of first leg with inner 

 margin finch' pectinate, 



E. Second leg with merus unarmed and 

 fingers one-third length of palm ; no 

 tooth at distal end of merus of last three 

 legs; R. II— 13 : ... ... soror Nobili. 



E'. Second leg with merus armed with a 

 tooth at distal end of lower border and 

 with fingers more than half as long as 

 palm ; a tooth at distal end of merus of 

 last three legs; R. 7 : o ... ... noverca, sp. now 



A'. Supra-orbital spine present; R. 5 : 2... ... cammevsalis Borr. 



Periclimenes (Periclimenes) longicaudatus (Stimpson). 



i860. Urocaris longicatidatits, Stimpson, Prac. Acad. Set. Philadelphia, 

 P- 39- 



