197 



spiniform, lower spine one and a half as long as the basal part. 



Palm of large chela unarmed at distal extremity Juihilcnsis Cout. 



(Synon. : Syn. tumidoinamts H. Coutiere, Alpheidae Maid, and Laccad. Archip. 

 1905, p. 876, PI. LXXIII, fig. 14. — Confer also: H. COUTIERE, in: Bull. Soc. 

 Philom. Paris, 1908, p. 12 and in: Proc. U. S. Nat. Mus. XXXVI, 1909, p. 24). 



b.^ Merus of third legs armed with 3 feeble, movable spinules on the 

 distal third of the posterior margin. Lower spine of basicerite as 

 long or slightly longer than the stylocerite, upper spine small. 

 Frontal spines short, acute, with the tips curved upward like 

 barbed hooks. Terminal spine of scaphocerite shorter than the 

 carpocerite. Posterior margin of the telson as in Syn. acaiitJii- 



iehonis Cout ancistrorhynclnis de Man 



a„ Carpocerite short, less than 4-times as long as wide. Posterior angles 

 of the telson, though often acute, never spinous. Merus of third 

 leofs smooth. 

 b, Lar^e chela about 2,S-times as long- as hig^h. 



c-^ Terminal spine of scaphocerite longer than carpocerite. 



d^ Carpocerite 3,5-times or less than 3,5-times as long as wide; 

 rarely more than 3,5-times, in this case the palm of the 

 large chela terminates in a strong anterior spine, 

 ^j Rostrum shorter than basal antennular article. Eggs small; 

 producing zoeae. 

 /^ Palm of large chela unarmed. Carpocerite 2,87 — 3,1-times 

 longer than wide. Basicerite slightly longer than its 

 inferior spine, upper angle with a short spine. Merus 

 of third legs 3,6 — 3,8-times longer than wide . . . Paiilsoni Xob. 

 (G. NOBILI, in: Bull. Scientif. France et Belgique, XL, 1906, p. 28). 



/g Palm of large chela terminating in a straight, conical spine. 

 Carpocerite 3,2 — 3,5-times as long as wide. Basicerite 



as in the typical species .... Paidsoni Nob. var. Raineswarensis Cout. 

 (H. Coutiere, in: Bull. Soc. Philom. Paris, 1908, p. n). 



/g Palm of large chela ending in a spine. Carpocerite 2,75- 

 times as long as wide. Lower spine of basicerite shorter 

 and stouter than in f^ and yi. Merus of third legs 3,6- 



times (cf), 3,3-times (9) longer than wide. Pau/soni Nob. var. K^irrachceiisis Cout. 

 (H. Coutiere, in: Bull. Soc. Philom. Paris, 1908, p. 13 and in: Proc. U.S. Nat. 

 Mus. XXXVI, 1909, p. 23, fig. 3). 



/j Palm of large chela ending in a strong anterior spine. 



Carpocerite 3,5 — 4-times as long as wide, superior spine 



of basicerite wanting Paidsoni Nob. var. liiuinai'is Cout. 



(H. Coutiere, in: Bull. Soc. Philom. Paris, 190S, p. 11 and in: Proc. U.S. Nat. 

 Mus. XXXVI, 1909, p. 92). 



65 



SIBOGA-EXPEDITIE XXXIXo'. it 



