28 



Sub-class £i.ASMOBRA:nrciii:i. 



Super-order Holoceptiali. 

 Order HOLOCEPHALI. 



Family CHIM^RID^. 



159. Chimsera plumbea Gill. Brown Chimera. Chimcera 

 plumhea Gill, Bull. Phil. Soc, Washiugton, 1877. Very common in the 

 deep water on the outer edges of banks north of George's Banks, and 

 often brought in by the Gloucester halibut schooners. 



Super-order Plagiostomi. 



Order RAI-aE. 



Sub-order SAB CUBA: 



Family TORPEDINIDiE. 



160. Torpedo occidentalis Storer. Cramp-fish. Torpedo 

 occidentaUs Storer, Hist. Fish. Mass., 1867, pi. 271, pi. xxxix, fig. 5. 

 This species is rarely taken north of Cape Cod. Three or four indi- 

 viduals have been seen in summer on the south side of Cape Ann. One 

 was taken near Lanesville, in 1878. 



Family RAIAID^. 



161. Kaia granulata GUI. MS. A remarkable species with 

 back and ventral surface covered with minute sharp granular ossifica- 

 tions obtained by Capt. Joseph W. Collins on Le Have Bank. A spe- 

 cies of the same type as B. kevis, and having 30-31 teeth on each side ; 

 the back granulated and slate-colored; the ventrals distinguished by 

 reticulate markings, and the claspers slender and scarcely expanded. 



162. Baia erinacea 3IUchill. Clear-xosed Skate. Baia dia- 

 plianes Storer, Hist. Fish. Mass., 1367, p. 264, pi. 39, fig, 1. Abundant 

 in the waters of Massachusetts bay at a depth in summer of twenty- 

 five or thirty fathoms. 



163. Haia radiata Donovan. Not uncommon in company with 

 the preceding. 



164. Haia eglanteria Lacepede. Occasionally captured in com- 

 pany with the preceding ; a more southern species. 



165. Kaia Isevis MitcMll. Barn-door Skate. Baia loivis Storer, 

 Hist. Fish. Mass., 1867, p. 266, pi. xxxix, fig. 2. Frequently taken in 

 deep water. 



