Decapod Crustacea of Bermuda, Part 11. 27 



two lobes ; the inner marginal, which is rhombic, with an obtuse 

 distal tooth and denticulate inner edge ; and the smaller articular 

 lobe, which ends in a sharp tooth. The second movable segment, 

 which is distinctly wider than long, is broader than the distal 

 segment. Its distal lobe is large and terminates in a thick, angular 

 point, but the adjacent edges form rather more than a right angle. 

 Those edges are dentate, with many small teeth, and with a larger 

 stout tooth near the inner curve of the inner margin. The inner 

 lateral lobe is stout, thick, enlarged toward the end, with the 

 inner edge obtusely and unevenly dentate. The inner edges of 

 these lobes, on the two antennae, are separated by a space about 

 equal to the orbit of the eye. The upper surface is hairy like that 

 of the distal segment, but it is more coarsely granular, the granules 

 increasing in size proximally, where they are nearly as large as 

 those on the basal segment and carapace. 



The first movable segment is irregularly 4-lobed above ; the 

 small outer lateral lobe bears about three denticles ; the median or 

 distal lobe is swollen and coarsely granular ; the inner lobe is 

 obliquely oblong, with the inner edge truncate and denticulate; 

 those of the opposite antennae are separated by a space nearly equal 

 to the length of the edge. 



The prefrontal or rostral lobe is a little broader than long, 

 widest distally, swollen laterally, with concave sides, and with a 

 median sulcus, each lobe terminating in a somewhat raised sub- 

 acute tooth ; upper surface coarsely granulated and hairy. The 

 front edge of the carapace, between the orbits and beyond them, 

 is covered with small, irregular, obtuse teeth, mostly of the same 

 size and shape as the adjacent dorsal granules ; about midway 

 between the orbits and center there is on each side a cluster of 

 rather larger ones making a small lobe ; nearer the center there is 

 a pair of denticles rather larger than the others ; also a large one 

 on each side close to the orbits. The median or rostral denticle 

 is scarcely distinguishable by its size, but there is a median row of 

 slightly larger granules on the carapace back of it. 



The orbits are large, with prominent and thick borders. On the 

 upper side there are two large, angular lobes, subdivided by 

 granules, especially below, and with a conical lobule back of them ; 

 the posterior and inferior margins are surrounded by small obtuse 

 teeth, the anterior notch is wide and deep. 



