1884.] 



NATURAL SCIENCES OF PHILADELPHIA. 



73 



Below is given a table of measurements of the specimens we 

 have examined. The proportions are given in hundredths of the 

 length from the tip of snout to end of last vertebra. 



Extreme length of fish in inches, 



Length of fish from end of snout to last caudal 



vertebra in inches, 



Greatest depth of body (hundredths of length), 



Length of head, 



Diameter of eye, 



Length of maxillary, 



Width of interorbital area, 



Width of base of pectorals, 



Length of pectorals, 



Distance from end of snout to origin of spinous 



dorsal, . 



Distance from end of snout to root of ventrals, 

 Distance between dorsal fins, 



Havana, Cuba. 



11.75 



9.85 

 14. 

 32.5 



6.25 

 12.25 



4.5 



3. 

 10. 



47.. 

 47. 

 17.25 



11.5 



9.66 

 14.50 

 31. 



6. 

 12. 



4.5 



3. 



9.5 



47. 

 47. 

 17.50 



11.25 



9.4 

 14.25 

 32. 



6. 

 12. 



4.5 



3. 



9. 



47. 

 48. 

 17.75 



9.5 



7.85 

 14. 

 32.25 



6.75 

 12. 



4.5 



3. 



46.25 



46. 



17.25 



6. Sphyraena borealis De Kay. Northern Barractida. 



Sphyrcena borealis De Kay, N. Y. Fauna, Fishes,1842, 37, pi. 60,f 196 (New 

 York); Storer, Synopsis Fish. N. A., 1846 (48); Baird, Ninth Smith- 

 sonian Kept., 1854, 12 (Beasley's Point, N. J.); Gill, Kep. U. S. Fish 

 Com., 1872, 808 (no description) ; Jordan and Gilbert, Proc. U. S. Nat. 

 Mus., i, 1878, 381 (Beaufort, N. C, no description); Goode and Bean, 

 Proc. U. S. Nat. Mus., ii, 1879, 146 (Wood's Holl, Mass.); Bean, Proc. 

 r. S. Nat. Mus., iii, 1880, 102 (Wood's Holl, Mass., no description). 



Sphyrcena spet Jordan and Gilbert, Proc. U. S. Nat. Mus., i, 1878, 381 

 (Wood's Holl, Mass.); Jordan and Gilbert, Synopsis Fish. N. A., 1883, 

 411 (in part ; not of Lacepede). 



Habitat. — Atlantic Coast of U. S. from Cape Cod to North 

 Carolina. 



Head 3 in length ; depth 2§ ; D. V-1, 9 ; A. 1-9 ; scales in lateral 

 line 115-130. 



Body rather slender, subterete, covered with moderate-sized 

 scales ; head large, maxillary small, less than ^ head, not reaching 

 front of orbit by i diameter of eye ; lower jaw with fleshy tip, 

 bluntly conical ; eye rather small, about 6 in head, scarcely ex- 

 ceeding width of interorbital area; interorbital area convex; 

 median groove very shallow, divided by a distinct longitudinal 

 ridge, especially well-defined immediately before nostrils ; supra- 

 ocular ridge striate ; preocular ridge moderate. 



Premaxillary teeth small, about 40 in number; front of pre- 

 maxillary with two pairs of large teeth (sometimes accom- 

 6 



