195 



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



than the principal. 



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



f x 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. COUTIÈRE, Alpheidae Mald. and 

 Lacc. Archip. 1905, p. 872, PI. LXX, fig. 6). 



f„ 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. fossor (Paulson) var. propinqua de Man 

 f„ 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. COUTIÈRE, in: Buil. Soc. Philom. Paris, 1908, p. 6). 



e s 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 Y Carpocerite 3, 6-times as long as wide. Merus of third 



legs more than 3-times as long as wide. 



gy Palm of large chela unarmed at the distal extremity. 



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

 (H. COUTIÈRE, in: Buil. Soc. Philom. Paris, 1908, p. 9). 



£■„ Palm of laree chela terminatingf in a small conical tooth. 



O il ö O 



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

 / 2 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 . hcroni 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 . . . demani Borr. 



Paulsoni group. 



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

 Posterior angles of telson often spinous. 

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

 shorter than the stylocerite. 



63 



