THE CANCROID CRABS OF AMERICA 407 



Trinidad: February, 1878; Crosby collector; 3 males (56815), 

 received from Boston Society of Natural History. 1884; Albatross; 

 9 males, 5 females (15658). 



Brazil: 1899, A. W. Greeley, Branner-Agassiz Expedition: Maman- 

 guape stone reef, Parahyba, June 22 and 23, 5 males, 7 females (25738) ; 

 Rio Goyanna stone reef, Pernambuco, June 18, 2 males (25739); Boa 

 Viagem stone reef, Pernambuco, July 6, 1 male, 1 female (25740); 

 Maceio coral reef, Alagoas, 3 males, 1 female (Stanford Univ.). Bahia, 

 1876-1877, R. Rathbun, Hartt Explorations, 1 specimen (16264). 

 1925, W. L. Schmitt: Ilha Governador, Bay of Rio de Janeiro, outside 

 mouth of river, under rocks, sponges and bunches of bryozoa, Sep- 

 tember 1 , 1 female (59842) ; Paqueta, Bay of Rio de Janeiro, August 

 19, 1 ovigerous female (59843); Villa Bella, Ilha Sao Sebastiao, Sao 

 Paulo, September 20 and 21, 28 males, 18 females (5 ovigerous), 1 

 young (59844); same locality, October, H. Luederwaldt collector, 

 4 males, 4 females (1 ovigerous) (59846); Sao Francisco, Santa 

 Catharina, October 28-30, November 1, 5 males, 7 females (3 ovi- 

 gerous) (59845). 



EURYPANOPEUS ABBREVIATUS ATER, new subspecies 



Plate 172, Figures 3 and 4 



Type-locality. — Vera Cruz, Mexico; 1925; C. R. Orcutt; 1 male 

 (Cat. No. 59994, U.S.N.M.). 



Diagnosis. — Distinguished from the typical form (1) by the dark 

 color of the immovable finger of both chelae continued on the palm 

 backward to a point a little beyond the middle of the lower margin 

 of the propodus (measured from tip of finger) and upward more than 

 half its greatest height; and (2) by the numerous and well separated 

 red dots on the outer surface of the palm. 



Measurements. — Male holotype, length of carapace 13.3, width of 

 same 19.8, fronto-orbital width 9.6, width of front 5.4 mm. 



EURYPANOPEUS TRANSVERSUS (Stimpson) 



Plate 172, Figures 5-7 



Panopeus transversus Stimpson, Ann. Lye. Nat. Hist. New York, vol. 7, 1860, p. 

 210 [82] (type-locality, Panama; type not extant). — Benedict and Rathbun, 

 Proe. U. S. Nat. Mus., vol. 14, 1891, p. 367, pi. 22, fig. 2; pi. 24, fig. 9. 



Eurypanopeus transversus A. Milne Edwards, Crust. R4g. Mex., 1880, p. 319, 

 pi. 59, fig. 1-1/. 



Diagnosis. — Front double-edged, upper edge marked with a line of 

 granules. Hepatic region faintly indicated. Lateral margin cut into 

 shallow lobes. Color of propodal fingers continued on palm. 



Description. — Carapace moderately convex, the front bent notice- 

 ably downward; sparingly short-pubescent, anteriorly finely granulate 

 and rugose, regions indicated ; mesogastric region narrow, very slightly 

 constricted at middle, acuminate, a median groove leading from it to 



