THE CANCROID CRABS OF AMERICA 



37 



Figure 6.— Portunus (Portunus) sati, male, natural 

 size, dorsal view 



PORTUNUS (PORTUNUS) SAYI (Gibbes) 



Plate 14 



Portunus hastatus Fabricius, Suppl. Entom. Syst., 1798, p. 367, in Americae 

 Insults; not Cancer hastatus Linnaeus, 1767, Adriatic. — Latreille, Hist. 

 Nat. Crust., vol. 6, 1802- 

 1803, p. 18. 

 Portunus pelasgicus Bosc, 

 Hist. Nat. Crust., vol. 1 

 [an X], 1801-1802, p. 219, 

 pi. 5, fig. 3, not P. pelagicvs 

 (Linnaeus, 1758); "dans 

 la haute mer parmi les 

 fucus." 

 Lupa pelagica Say, Journ. Acad. 

 Nat. Sci. Philadelphia, vol. 

 1,1817, p. 97; Gulf Stream. 

 Lupa sanguinolenta Krauss 

 (not Herbst), Sudafrik. 

 Crust., 1843, p. 11; Sar- 

 gasso Sea. 

 Lupa cranchiana Leach (nomen 



nudum) in White, List Crust. Brit. Mus., 1847, p. 27, not Neptunus sang- 

 uinolentus (Herbst); lat. 30° N., long. 36° W., on a floating thalassiophyte, 

 Tuckey's Congo Expedition, 1816 (specimen in Brit. Mus.). 

 L^ipa sayi Gibbes, Proc. Amer. Assoc. Adv. Sci., 3d meeting, 1850, p. 178 [14] 



(type-locality. South Carolina; no tj-pes in Charleston Mus.), 

 Lupea pudica Gerstaecker, Arch. f. Naturg., vol. 22, pt. 1, 1856 (1857), p. 

 130 (type-locality, Brazilian coast; type in Berlin Mus.). 



Neptunus sayi A. Milne Edward.s, Arch. Mus. Hist. Nat., 



Paris, vol. 10, 1861, p. 317, pi. 29, fig. 2. 

 Lupea parvula Desbonne in Desbonne and Schramm, Crust. 

 Guadeloupe, 1867, p 40 (type-locality, Guadeloupe; 

 tj'pe not extant) . 

 Portunus sayi Rathbux, Ann. Inst. Jamaica, vol. 1, 1897, 

 p. 22. — Verrill, Trans. Connecticut Acad. Arts and 

 Sci., vol. 13, 1908, p. 376. 



Diagnosis. — Carapace very convex, rather smooth 

 Figure 7.-portunu3 and glossv ; Only foiir ridges; eight lateral teeth shal- 

 (PoRTUNus) SAYI. Jq^ VsXms swollcn, bidentate. 



outer MAXILLIPED, . . ... • 1 11 1 • 



ENLARGED Descrijption . — Carapace high in the middle, sloping 



downward in all directions; furrows shallow, gran- 

 ulation fine, scarcely visible to the naked eye; two low granulated 

 ridges concave forward across the gastric region; a sinuous ridge 

 leading up on the branchial region from the branchial spine. Frontal 

 or rostral teeth four, the median and submedian pairs about equally 

 advanced, the median very small. Inner supraorbital tooth simple, 

 undivided. Inner suborbital tooth large, advanced far beyond the 

 front. Antero-lateral teeth trending forward, their posterior margins 

 longer than their anterior; lateral spine long and strong, directed 

 outward. 



