390 A. E. Verrill — Decapod Crustacea of Bermuda. 



of the chelipeds has five sharp teetli on the front margin ; the lateral 

 spines are long and sharp, curved forward a little ; there are usually 

 one or two round silvery spots near the bases of the anterior mar- 

 ginal teeth, on each side. It is a rather small species. A female 

 with the adult form of the abdomen, from Egmont Key, Fla., has 

 the carapace only 20™"" long, 40""" wide, including spines. 



A female from Ft. Macon, N. C. (coll. Dr. Yarrow, 1871, No. 

 4087), has the adult form of the abdomen, but no eggs. Its carapace 

 is 25'"°' long; 51'""^ broad with spines; without spines, 40'"'^^ wide; 

 length of chelfe, 31"^™; height, 7.5"^"'\ 



The four inner frontal teeth are about equal in length, but the 

 two inner are narrower. The merus of the swimming legs has a 

 row of 5 or 6 small acute spinules on its posterior distal edge, the 

 outer ones longer. The anterior two pairs of legs are flattened, with 

 the merus as well as the distal segments fringed. The distal end of 

 the dorsal carina of the chelae is sub-spiniform, so that in profile it 

 looks a little like a second spine, in front of the principal one, which 

 is sharp and divergent. The manus has five strong granulated ribs 

 on the superior and outer surfaces, with deep hairy grooves between 

 them. The dactylus has four ribs, besides an inner one. The sur- 

 face of the ribs, when the hairs are removed, is shining or silvery. 

 The carapace is strongly granulated and hairy ; the small silvery 

 spots* are veiy distinct. The merus of the right cheliped has six 

 inner marginal spines, that of the left cheliped only five. They are 

 sharp and directed forward, but not so near together as in the figure; 

 usually there are but five. 



The chelipeds are veiy long, being longer than in the figure. The 

 length of the merus exceeds half the total breadth of the carapace. 

 The chelie and carpi are also elongated. When extended, the 

 expanse of the chelipeds is seven times the length of the carapace. 

 In a male (981«) the carapace is 24""" long; expanse of chelipeds, 

 jggmm. ^y]^en folded the end of the merus projects IS"""" bej^ond tip 

 of the lateral spine. The ambulatory legs are also long and much 

 flattened. 



Off C. Hatteras, Str. "Albatross," Nov. 9, 1883, sta. 2107, in 16 

 fathoms, three, one with eggs (Smith) ; off C. Hatteras, 5 stations, 

 13-48 fath., 1884, 16 specimens, 1886 (Smith). 



* These spots are variable in form and number and are often lacking on one 

 side. They look as if they might have been made by the tips of the claws of 

 the opposite sex during the mating season. The surface of the carapace becomes 

 silvery whenever the hairs are rubbed off by friction. 



