195 



d„ Dactylus of third legs with the ventral hook much shorter 



than the principal. 



^1 Carpocerite more than 4,5-times as long as wide. 



f^ Carpocerite 6- or almost 6-times as long as wide. Palm of 



larger chela with an obtuse tubercle at the distal extremity. 



Smaller chela 2,4 — 2, 6-times as long as high. Merus of 



third legs 2,8 — 3-times as long as wide fossor (Paulson) 



(Paulson, Studies on the Crustacea of the Red Sea, (in Russian), Kiew, 1875, 

 p. 103, pi. 13, Fig. 5. — Confer also: H. COUTIERE, Alpheidae Maid, and 

 Lace. Archip. 1905, p. 872, PL LXX, fig. 6). 



/j Carpocerite 4, 6-times as long as wide. Palm of large chela 

 with an obtuse tubercle at the distal extremity. Small 

 chela 2,73 — 3,2-times longer than high. Merus of third 



legs 3,4 — 3, 6-times as long as wide. /(?^.s-^r (Paulson) var. /r^/zV^^^^rt de Man 

 /"g Carpocerite 5-times as long as wide. Palm of large chela 

 spinous at the distal extremity. Small chela 3-times 

 longer than high. Merus of third legs 4,4-times as 



long as wide trionyx Cout. 



(H. COUTIERE, in: Bull. Soc. Philom. Paris, 1908, p. 6). 



e^ Carpocerite about 4-, or less than 4-times as long as wide. 



Ventral hook of the dactylus of third legs measuring 



hardly one-fourth the principal one. 



f^ Carpocerite 3, 6-times as long as wide. Merus of third 



legs more than 3-times as long as wide. 



g^ Palm of large chela unarmed at the distal extremity. 



Merus of third legs 3, 5 -times as long as wide . . Baker i Cout. 

 (H. COUTIERE, in: Bull. Soc. Philom. Paris, 1908, p. 9). 



g„ Palm of large chela terminating in a small conical tooth. 



Merus of third legs 4-times as long as wide. Bakeri Cout. var. Stormi n. 

 /"j Carpocerite about 4-times as long as wide. Palm of larger 

 chela with an obtuse tubercle at the distal extremity. 

 Merus of third legs 2,32 — 2, 6-times as long as wide . heroni Cout. 

 C.2 Spinules of the upper surface of the telson wanting or quite 

 rudimentary. Propodus of third legs without spinules on its 

 posterior margin, excepting 2 or 3 at the distal end . . . deniani Borr. 



Paulsoni group. 



«j Carpocerite elongate, 4- or more than 4-times as long as wide. 

 Posterior artgles of telson often spinous. 

 b^ Merus of third legs unarmed. Lower spine of basicerite a little 

 shorter than the stylocerite. 



63 



