238 BULLETIN 166, UNITED STATES NATIONAL MUSEUM 



HEPATUS EPHELITICUS (Linnaeus) 



Calico Ckab; Dolly Varden Crab 

 Plate 70, Figures 3, 4; Plate 71, Figures 1-4 



Cancer epheliticus Linnaeus, Amoenitates academicae, etc., vol. 6, p. 414, 1763 



(type locality, Carolina; type not located). 

 Cancer floridus Linnaeus, Systema naturae, ed. 12, vol. 1, pt. 2, p. 1041, 1767 



(tyi>e localities, Carolina and Asia; types not located); not Rumphius, 



D'Amboinische Rariteitkamer, pi. 8, fig. 5, 1705. 

 Cancer decorus Herbst, Versuch einer Naturgeschichte der Krabben und Krebse, 



vol. 2, p. 154, pi .37, fig. 6, 1794 (type locality not given; type in Berlin Mus.) ; 



vol. 3, pt. 3, p. 6, 1803. 

 Hepatus decorus Gibbes, Proc. 3d Meet. Amer. Assoc. Adv. Sci., p. 183 [19], 1850. — 



VON Martens, Arch, fiir Naturg., vol. 38, pt. 1, p. 113, 1872. 

 Hepatus vanbenedenii Herklots, Bijdr. Dierk. Soc.-Zool. Roy. Nat. Art. Mag. 



Amsterdam, vol. 5, p. 36, pi., fig. 1-lc. 1852 (type locality, America; type 



in Mus. Louvain). 

 Hepatus epheliticus Hay and Shore, Bull. U. S. Bur. Fish., vol. 35, p. 422, pi. 32, 



fig. 1, 1918. 



Diagnosis. — Carapace covered with large spots. Front advanced 

 beyond the line of the suborbital cavities; lower margin of cavities 

 semicircular. Last 3 segments of abdomen smooth. 



Description. — Front truncate, not dentate. The line descending 

 obliquely from external orbital angle to anterior border of carapace is 

 marked by one or two granules. Carapace dorsally almost smooth, 

 indistinct lines of low granules on gastric region and on posterior part 

 of branchial region. Marginal denticles of carapace more prominent 

 than in princeps, the middle denticle of each anterolateral tooth pro- 

 jecting; the shallow tooth near hinder end of postero-lateral margin is 

 also more advanced. Chelae and dactyls of legs similar to those of 

 princeps. 



Color. — Carapace covered with many large, irregular spots of pale 

 blood-red, each with a rim of darker shade; ground yellowish white or 

 brownish. In the young the carapace may have a combination of 

 spots and transverse bands of color. 



Measurements. — Male (8782), length of carapace 46, width 67.3 mm. 

 Female (Herklots), length 51, width 73 mm. 



Range. — Chesapeake Bay to Texas and Cuba; 2 to 25 fathoms. 



Material examined. — See table 76, page 240. 



