430 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Dorsal fin in its median part nearly destroyed, bnt traces of the groove 

 and spines remaining. 



Color. — Above rich purplish blue, shading into whitish beneath the 

 sides, and belly with a silvery luster. Fins bluish dark with silvery 

 sheen, except dorsal. Top of the head rich purplish blue, the color ex- 

 tending upon the rostrum. Lower side of rostrum rich brownish pur- 

 ple. Eye deep blue. ISo trace of scales. 



Viscera. — Liv^er greenish light brown. Stomach siphoual; pyloric 

 cteca infinite in number; intestine spiral 10 inches long when in posi- 

 tion, 90 when stretched out. Gall-bladder large, situated on the same 

 line with the spleen, and at same distance from the liver, connected by 

 a duct. Air-bladder simple, large. Spermaries large, 6 inches long. 

 Stomach contained small fish, perhaps Poronotns, and jaw of Loligo 

 Fealii. Fluke W'Orms in cover of stomach and air bladder. 



Table of measurements. 



Current number of specimen. 

 Locality 



A. 



Seaconnet, 



R. I., July 



23, 1875. 



B. 



Gloucester, 

 Mass., 1878. 



Extreme length (tip of sworrt gone) 



Length to end of middle caudal rays 



Body: 



Greatest height 



Greatest circumference 



Least height of tail 



Head : 



Greatest length 



Length to tip ot lower jaw 



Greatest width .' 



Widtli of interorbital area 



Length of snout 



Length of operculum 



Length of mandible 



Diameter of eye 



Dorsal (first) -. 



Distance from tip of lower jaw 



Length of base (including first and second) 



Greatest height 



Dorsal (second) : 



Length of base 



Height at longest ray 



Height at last ray 



Anal : 



Distance from snout 



Length of base 



Height at longest ray 



Height at last ray . .' 



Caudal : 



Length of middle rays 



Length of external rays 



Pectoral : 



Distance from tip of lower jaw 



Length 



Branchiostegals 



Dorsal 



Anal 



Pectoral 



Weight (pounds) 



Inches. 



Millimeters. 



91.00 

 81.50 



13.50 

 35. 00 



37. 00+ 

 16.50 



6.75 



4.35 

 26.004- 



5.00 

 11.00 



2.75 



15. 50 

 37.00 

 12. 00 



2.25 



37.00 

 12. 25 



8.25 

 2.25 



3.50 

 16.50 



16.00 



14.25 



8 



20 (19), 2 



11 (X), 3 



20 



113 



2,040 



490 



'i7o' 



150 



310 



80 



470 (1st) 

 470 



250 

 300 



160* 

 550 



390 



* From end of carina. 



