422 PEOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



bluish purple, brightest in the axil ; its outer surface is blackish, though 

 completely covered with a pearly sheen. 



The ventrals, first dorsal, and first anal, when not erected, are com- 

 pletely hidden in grooves. The second dorsal and second anal are not 

 so hidden. The pectorals are flat, closely clinging to the sides when 

 not in motion ; their base received into a depression in the side of the 

 fish. 



The lanceolate scales may be seen through the epidermis, giving a 

 reticulated appearance to sides of the fish. 



The second dorsal and the second anal have broad, flattened, ultimate 

 rays, which adhere closely to the bod^^ of the fish. 



Measurements. 



CtuTent number of specimen i A. 



Locality New Bedford, 



Mass. .July, 

 25, 1875. 



B. 



Wood's Holl, 

 Mass., 1875. 



Inches. 



Inches. 



Extreme length 



Length to end of middle caudal rays 



Body: 



Greatest height 



Height at ventrals 



Head: 



Greatest length 



Greatest width 



Width of interorbital area 



Length of snout 



Length of bill 



Length of operculum 



Length of upper jaw to commissure of jaws 



Length of lower jaw to comniissure of jaws . 



Distance from snout to orbit 



Diameter of orbit 



Dorsal : 



Distance from snout 



Length of base 



Greatest height 



Height at first spine 



Height at second spine 



Height at third spine 



Height at fourth spine 



Height at flftli spuie 



Height at sixth spine 



Height at seventh spine 



Height at eigbth spine 



Height at ninth spine 



Height at tent h spine 



Height at eleven tli spine 



Height at twelfth spine 



Heiglit at thirteenth spine 



Height at fourteenth spine 



Anal: 



Distance from snout 



Length of base 



Height at first spine 



Height at second spine 



Height at third spine 



Height at fourth spine 



Height at fifth spine 



Height at sixth spine 



Height at seventh spine 



Height at eighth sjiine 



Height at ninth s))ine 



Height at tenth spine 



Height at eleventh spine 



Height of liu above sheath 



.50 . 

 .35 . 



, lU 



* To vertical from upper caudal lobe. +0ver vent, 



t At origin of dorsal. ^Beyond tip of lower jaw. 



II "Length of anal groove." 



89. 00* 

 81.00 



11. 50t 

 9.001 



28.00 

 37.00 

 12. 25 



54.00 

 10. 2511 



7.25 



