THE CANCROID CRABS OF AMERICA 367 



fingers acute. Abdomen of male constricted, between fifth and sixth 

 segments ; terminal segment broader than long, sub triangular. Other- 

 wise as in Panopeus. 



From Provincetown, Massachusetts, to Texas; Bahamas; Cuba. 



KEY TO THE SPECIES OF THE GENUS NEOPANOPE 



A*. Dact}'lus of major chela without a large basal tooth. 



B'. Fingers white or light horn-color. Antero-lateral teeth sharp and much 



produced texana texana, p. 367. 



B2. Fingers black or dark-colored in males. Antero-lateral teeth blunter 



and less produced texana sayi, p. 369. 



A^. Dactylus of major chela with a large basal tooth packardii, p. 380. 



NEOPANOPE TEXANA TEXANA (Stimpson) 



Plate 168, Figures 1 and 2 



Panopeus texanus Stimpson, Ann. Lj'c. Nat. Hist. New York, vol. 7, 1858 (1859), 

 p. 55 [9] (type-locality, St. Joseph's Island, Texas; type not extant). — 

 Benedict and Rathbun, Proc. U. S. Nat. Mus., vol. 14, 1891, p. 363, pi. 22, 

 fig. 5; pi. 23, fig. 9. 



Neopanope texanus Rathbun, Bull. Lab. Nat. Hist. State Univ. Iowa, vol. 4, 

 1898, p. 273. 



Neopanope texana Rathbun, Amer. Nat., vol. 34, 1900, p. 138. 



Diagnosis. — Dactylus of larger hand without a large basal tooth. 

 Fingers white or light horn color. Color of immovable finger con- 

 tinued a short distance on palm. Tips of last three antero-lateral 

 teeth sharp. 



Description. — Carapace very convex in both directions, high in 

 middle, widest at posterior tooth, minutely pubescent, especially in 

 female. Regions defined, gastric subregions faintly 

 indicated. Front slightly produced and rounded, a 

 small median notch. First tooth of lateral margin 

 small, triangular, coalesced with the low, arcuate 

 second tooth from which it is separated by a shallow 

 sinus; next two teeth sharp, tips pointing forward, 

 the fourth tooth ascending; last tooth short and sharp, 

 tip directed outward or slightly forward, and upward. 

 On the fourth and fifth teeth a short oblique ridge 

 extends from the tip inward. Chelipeds smooth, gla- jrmuRE st.-neo- 

 brous, very unequal and dissimilar. Carpus with a panofe texana, 

 subdistal groove. Fingers white or light horn color enla^rged''°aft- 

 in male, the movable finger usually darker than the er benedict and 

 immovable; fingers darker in female than in male. 

 Color of immovable fingers continued a little on palm, terminating in 

 a very distinct line, which begins at base of finger in gape and curves 

 backward to lower margin. No large tooth or tubercle at base of 

 dactyl or on anterior outer margin of palm. Legs long and slender. 



Measurements. — Male (15383), length of carapace 20.7, width of 

 same 27, fronto-orbital width 16.5, width of front 8.8 mm. 



