192 



Neomeris group. 



«j Dactylus of the third legs biunguiculate. 

 b^ Merus of the third legs armed with one or more spinules on the 

 posterior margin. Upper angle of basicerite spinulose. 

 c^ Dactylus of the third legs with the ventral hook half as long or 

 almost half as long as this joint. 

 d^ Small chela more than 3-times as long as high. 

 e^ Ventral or principal hook of the dactyli of third legs making an 

 oblique angle with the lower border; telson with the anterior 

 pair of spinules usually situated behind the middle, 

 /j Telson with the anterior pair of spinules situated far backward, 

 at or near the posterior third ; stylocerite reaching to the 



middle or just beyond the middle of median antennular article, neomeris (de Man) 

 f„ Telson with the anterior pair of spinules situated but a little 

 behind the middle; stylocerite but a little longer than i^' 



antennular article Gravicri Cout. 



e„ Ventral or principal hook of the dactyli of third legs perpendicular 

 to the lower border. Telson with the anterior pair of spinules 



situated before the middle Iphino'e de Man 



d^ Small chela less than 3-times as long as high, palm one and 

 a half as longf as hiofh. 

 g^ Telson with the anterior pair of spinules situated just in front 



of the middle. Dactyli of third legs as in Syn. Gravicri . jedanensis de Man 

 g„ Telson with the anterior pair of spinules situated far backward, 

 just at the posterior third, nearly as in Syn. neomeris \ 



dactyli of third legs also as in this species miscellanens de Man 



c„ Dactylus of third legs with the ventral hook measuring about one- 

 fourth the length of that joint. 

 k-^ Rostrum not reaching beyond basal antennular article, less 

 than four times as long as wide at its base; telson more 

 than 2, 5 -times as long as the posterior margin is wide. 

 z'j Rostrum usually 3-times (2,75 — 3,25) as long as wide at its 

 base; telson with the anterior pair of spinules situated just 

 before the middle. Dactylus of third legs 3-times as long- 

 as thick at its base streptodactylus Cout. 



?2 Rostrum 2,2-times as long as wide at its base; telson with 

 the anterior pair of spinules situated a little behind the 

 middle and nearer to the lateral margins than in Syn. 

 streptodactylus^ the spinules 0,07 — 0,08 mm. long, much 

 smaller than in this species. Dactylus of third legs 2,51- 



times as long as thick at its base streptodactyloides de Man 



60 



