192 Bulletin, Vanderhilt Marine Museum, Vol. II 



beaded. The superior orbital margin is gently convex along the proxi- 

 mal two-thirds of its length and decidedly concave on the distal third 

 above the cornea ; this concave area is separated at the inner angle 

 by a brief closed sinus ; the outer, or distal angle, is produced into a 

 sharp, triangulate tooth. The entire superior orbital margin is finely 

 beaded and fringed with close-set, silky setae, as is also the inferior 

 orbital margin. The first lateral tooth behind the orbital is a minute 

 denticle, scarcely protruding beyond the marginal line and situated 

 about 4 mm. behind the apex of the orbital tooth; the second lateral 

 tooth is similar to and is about as far behind the first tooth as the 

 first lateral tooth is posterior to the orbital tooth. The third lateral 

 tooth is weaker than the second, from which it is separated by a dis- 

 tance about equal to that between the second tooth and the orbital 

 tooth. The fourth lateral tooth is the strongest of the series, except the 

 orbital tooth, the distance between it and the third tooth being slightly 

 greater than that between the second and third teeth. The dorsal sur- 

 face of the carapace is glabrous, moderately convex, finely punc- 

 tate; a series of larger punctae approximately parallel the frontal 

 margin; others are prominent in the cervical groove. The cardiac 

 region is more protuberant than the gastric region. The cervical and 

 urogastric grooves are rather deep. The lateral margins of the cara- 

 pace and the inferior and superior orbital margins are fringed with 

 a series of fine, short, close-set, silky setae. 



The male abdomen is triangulate, five-segmented; the first and sec- 

 ond segments are short, but successively increase in length ; the third, 

 fourth and fifth segments are anchylosed, but with the lines of fusion 

 clearly delineated ; the sixth segment is as long as the fused fourth and 

 fifth segments ; the seventh segment is only about half as long as the 

 sixth and is small, triangulate. The larger, stout, curved male appen- 

 dages have their distal part flattened like a blade and tapering at the 

 tip, which reaches to midway the sixth abdominal segment. 



The male chelipeds are quite long, slender, but well developed 

 although less robust than are those of E. rohustus. The merus of 

 dovii, which is anchylosed with the ischium, is three-fourths as long 

 as the major width of the carapace ; the upper surface is flat, glabrous, 

 the anterior lateral margin armed with three major equidistant teeth 

 and a few additional, irregular denticles and a short fringe of setae ; 

 a similar fringe is present on the postlateral margin; the carpus is 

 short, knob-like, with the upper surface slightly convex, a long, spine- 

 like process at the inner lateral angle, a much shorter one at the outer 



