Figure 251. — Heterocrypta granulata (Gibbes). Male in 

 dorsal view, 10 mm. indicated. 



punctate; margins crenulate. Anterolateral mar- 

 gin nearly straight, with dorsal surface sloping 

 upward from margin to prominent, granulate 

 branchial ridge running parallel with each side, 

 these connected by a short transverse ridge on 



gastric region and joined behind to posterior 

 marginal ridge. Rostrum broad, blunt, deflexed, 

 with rounded margins connected to gastric ridge 

 by a pair of granulate crests. Orbits small, 

 nearly circular; eyes small, retractile. Cardiac 

 region with a large domelike elevation granulated 

 at summit. 



Chelipeds unequal, rather heavy, longer than 

 width of carapace; outer and inner margins of 

 upper surface of merus, carpus, and hand ex- 

 panded into irregular granulate or dentate crests; 

 fingers short, agape in larger cheliped. Walking 

 legs short, almost completely hidden beneath 

 carapace. 



Sternum and lower surface of abdomen coarsely 

 granulate; male abdomen with third, fourth, and 

 fifth segments fused, sixth segment with a sharp 

 proximal appressed spine with tip lying between 

 two tubercles on fifth segment. 



Measurements. — Carapace: male, length, 12 

 mm., width, 18 mm.; female, length, 15 mm., 

 width, 21 mm. 



Figure 252.— Family Parthenopidae, first and second right pleopods of males; A, Parthenope agona (Stimpson), 

 medial view; B, Parthenope serrata (H. Milne Edwards), medial view; C, Parthenope pourtalesii (Stimpson), 

 medial view; D, Parthenope fraterculus (Stimpson), medial view; E, Heterocrypta granulata (Gibbes), medio- 

 sternal view ; 1 mm. indicated. 



MARINE DECAPOD CRUSTACEANS OF THE CAROLINAS 



271 



