442 



A. E. Verrill — Decapod Crustacea of Bermuda. 



The following description is from large Dominica specimens. 

 The carapace is broad posteriorly, and much narrower in front of 

 the deep transverse groove ; the harder anterior portion is longer 

 than broad, with the posterior margin truncate medially, in front of 

 which there is an incised V-shaped groove, and some lateral oblique 

 ones ; front edge with three rounded lobes, the middle one more 

 obtuse and less prominent than the others and obscured by hairs ; 

 a strong submarginal bent-bow-shapod groove ; sides of carapace 

 hairy ; middle part nearly smooth. Posterior part of carapace Avith 

 swollen, broadl}^ expanded flanks, covered with oblique and divergent 

 grooves ; posterior margin deeply emarginate. 



Figure 58. — Dardanus venosus ; a, 2d ambulatory leg of left side, inner sur- 

 face ; b, the same, inner surface ; c, left cheliped, outer surface ; x about 

 13^. Phot. A. H. V. 



The cheli])eds are unequal, the left being decidedly larger, with 

 the chela shoiter, much more robust, and differently ornamented. 

 The left cheliped has the merus triquetral, the two lower angles 

 spinulose ; the upper one serrate with flat teeth ; the outer surface 

 has sliirht ruo^je and small tufts of hairs, otherwise the surface is 

 smooth and glossy. The carpus is sharply spinulose above, five large 

 acute spines stand on the upper edge ; near the distal outer margin 



