THE SPIDER CRABS OF AMERICA 



155 



lateral angle, either acute, right, or a little obtuse; there is only one 

 exception, a female (18133), in which the hepatic lobe is rounded. 

 As in typical dilatatus, the carapace is widest at the branchial lobes. 

 The rostrum is suboblong, narrowing slightly at distal end, where 

 there is a shallow notch; one exception, a full grown male (47088), 

 has what appears to be an abnormal rostrum, of great length, increas- 

 ing in wadth distally, terminal notch a strong V. Preorbital tooth 

 feeble, obsolescent. Palm of cheliped widening considerably toward 

 distal end; propodal finger arched downward, forming a wide gape, 

 into which just beliind the middle one tooth of moderate size projects 

 from the dactylus. Other%vise as in typical dilatatus. 



Measurements. — Male, holotype, total length of carapace 11.5 

 branchial width 8.3, hepatic mdth 6.7 mm. 



Range. — West and South Florida. 



Material examined. — See table, page 154. 



Fig. 57.— Epialtus minimus, a, b, and c from drawings by J. S. Kingsley of a cotype. a. Cara- 

 pace AND THREE LEGS, X 4. b. ANTERIOR PORTION, VENTRAL VIEW, X 4. C. MAXILLIPED, ENLARGED 



EPIALTUS MINIMUS Lockington 



Plate 47, fig. 1 



Epialtus minimus Lockington, Proc. California Acad. Sci., vol. 7, 1876 

 (1877), p. 77 [15] (type-localities, Port Escondido and San Jose Island, 

 both in the Gulf of California; types not extant). — Kingsley, Proc. Acad. 

 Nat. Sci. Philadelphia, vol. 31, 1879 (Mar. 9, 1880), p. 385. 



Diagnosis.— A bunch of setae at middle of pro'podites of ambula- 

 tories. Hepatic and branchial lobes subequal. Rostrum long, 

 bilobed (fig. 53, o). 



