Known range. — Off Cape Fear, N.C. ; Gulf of 

 Mexico, off Cape San Bias, Fla., to Florida 

 Straits; off Cape Catoche, Yucatan, Mexico; 

 through West Indies to mouth of Amazon River 

 (U.S. National Museum records). 



Remarks. — Ovigerous females have been re- 

 ported in May from southern Florida (Rathbun, 

 1925), and August from northeastern Florida 

 (U.S. National Museum records). 



Genus Solenolambrus Stimpson, 1871 



Garth, 1958, p. 458. 



Solenolambrus tenellus Stimpson 



Figure 250 



Solenolambrus tenellus Stimpson, 1871a, p. 134. — Hay and 

 Shore, 1918, p. 463, pi. 39, fig. 8. — Rathbun, 1925, p. 541, pi. 

 194, figs. 3-4 ; pi. 279, figs. 5-9 (rev.). 



Recognition characters. — Small delicate species. 

 Carapace but little broader than long and about 

 equally produced in front of and behind line of 

 lateral angles; surface punctate; protuberances 

 of gastric and cardiac regions fairly well marked 

 near posterolateral margin but almost obsolete 

 anteriorly. Anterolateral margins of carapace 

 crenulated, five or six teeth on expanded and 

 broadly rounded lateral angle being most promi- 

 nent and defined chiefly by impressed lines on 

 marginal shelf; hepatic region with two or three 

 denticulate teeth. Posterolateral margin concave; 

 posterior margin convex, its lateral angles obtuse. 



Solenolam'brus tenellus Stimpson, Female 

 lew, walking legs of loft side not shown, 

 3 mm. indicated. 



Rostrum rather prominent, faintly tridentate at 

 extremity, median tooth smallest and most promi- 

 nent. External angle of orbit not prominent; 

 eyes large with extremely minute tubercle at 

 summit. Basal article of antenna approximately 

 as long as next article. External maxilliped with 

 ischium somewhat tuberculate near outer margin 

 and extremity. 



Chelipeds long, slender, general surface smooth, 

 polished; edges denticulate. Merits with about 

 13 teeth on either edge, third tooth from distal 

 end larger than others. Hand with 12 sharp for- 

 ward-curving teeth on superior edge, terminal 

 tooth above finger spiniform and considerably 

 longer than others; outer margin with about 11 

 small teeth, inner with 19 or 20 minute teeth. 

 Walking legs naked, compressed, without lamini- 

 form crests; merus of last pair slightly expanded 

 below near base. 



Abdomen and sternum of male coarsely pitted, 

 otherwise smooth and glabrous. 



Measurements. — Carapace : male, length, 6 mm. ; 

 width, 6 mm. Length of cheliped, 16 mm. Cara- 

 pace: ovigerous female, length, 5 mm.; width, 6 

 mm. 



Habitat.— Thirty to 115 fathoms. 



Type localities. — Off Carysfort, Conch, and 

 French Reefs, 35 to 49 fathoms [southern Flor- 

 ida]. 



Known range. — Off Cape Lookout, N.C. ; Gulf 

 of Mexico, near Cape St. George, Fla., to Florida 

 Keys; Bahamas; Barbados. 



Remarks. — Ovigerous females have been re- 

 ported in May from Barbados, May and June 

 from Florida (Rathbun, 1925), and questionably 

 in August from North Carolina (an incompletely 

 labeled specimen from Hay and Shore's material 

 in Institute of Fisheries Research collection, and 

 Fish Hawk records for 1902). 



Genus Heterocrypta Stimpson, 1871 



Garth, 1958, p. 473. 

 Heterocrypta granulata (Gibbes). Pentagon crab 

 Figures 251, 252E 



Cryptopodia granulata Gibbes, 1850, p. 173. 



Heterocrypta granulata: Hay and Shore. 1918, p. 464. pi. 39, 

 fig. 9.— Rathbun, 1925, p. 555, text-fig. 152, pi. 203, figs. 1-2; 

 pi. 282, figs. 1-3 (rev.). 



Recognition characters. — Carapace subtriangii- 

 lar, with wide clypeiform vaulted expansions, 

 length two-thirds width; general surface smooth, 



270 



FISH AND WILDLIFE SERVICE 



