28 



Sub-class 



Super-order Holocephaii. 



Order HOLOCEPHALI. 



Family CHIM.ERID.aE. 



159. Chimsera plumbea Gill. BROWN CHIMERA. Chimcera 

 plumbea Gill, Bull. Phil. Soc., Washington, 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 RAIJS. 



Sub-order SARCURA. 



Family TORPEDINID^. 



160. Torpedo occidentalis Storer. CRAMP-FISH. Torpedo 

 occidentalis Storer, Hist. Fish. Mass., 1867, pi. 271, pi. xxxix, fig. 6. 

 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.3E. 



161. Raia granulata Gill. 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 R. Icevis, 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. Raia erinacea Mitchill. CLEAR-NOSED SKATE. Raia dia- 

 phanes Storer, Hist. Fish. Mass., 1367, p. 264, pi. 39, flg, 1. Abundant 

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

 five or thirty fathoms. 



163. Raia radiata Donovan. Not uncommon in company with 

 the preceding. 



164. Raia eglanteria Lacepede. Occasionally captured in com- 

 pany with the preceding; a more southern species. 



165. Raia Isevis Mitchill. BARN-DOOR SKATE. Raia Icevis Storer, 

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

 deep water. 



