1884.] NATURAL SCIENCES OF PHILADELPHIA. 233 



cc. Color silvery ; sides with a brownish, broken, longitudinal 

 band, above and below which are numerous brownish 

 spots ; angle of preopercle produced backwards ; pec- 

 torals scaly ; anterior part of spinous dorsal black ; 

 caudal peduncle rather slender, its least depth 5 ^ in 

 head; caudal less widely forked ; head 4^ in length; 

 depth 5i. D. XVIII-15-YIII ; A. II-15-VIII. 



regalis. 3 



aa. Dorsal spines 14 or 15, lateral line descending abruptly under 

 second dorsal ; teeth comparatively large ; gill rakers very 

 short, less than ^ diameter of eye, about 8 below the angle ; 

 pectorals scaly at base only ; young, with bronze spots ; 

 adult immaculate. cavalla. 4. 



1. Scomberomorus ooncolor. Monterey Mackerel. 



Ohriomitra concolor Lockington, Proc. Acad. Nat. Sci. Phila., 1879, 

 134 (Monterey) ; Lockington, Rep. Cal. Fish Comm. (1878-9), 1881, 

 34 (Monterey). 



Scomberomorus concolor Jordan & Gilbert, Proc. U. S. Nat. Mus., 

 1880, 4o6 (Monterey, no description) ; Jordan and Joiiy, Proc. U. S. 

 Nat. Mus., 4, 1881, 13 (Soquel, Cal., no description) ; Jordan and 

 Gilbert, Proc. U. S. Nat. Mus., 1881, 45 (Monterey Bay) ; Jordan 

 and Gilbert, Syn. Fish. N. A., 1882, 426. 



Habitat. — Pacific Coast of United States ; Monterey Bay, 

 all the known specimens having been taken about Soquel and 

 Santa Cruz, whither it resorts every summer for a short time, for 

 the purpose of spawning. Some 15 to 40 specimens only are 

 taken each year. 



2. Scomberomorus maculatus. Spanish Mackerel. 



Scomber maculatus Mitchill, Trans. L(it. and Phil. Soc, i, 1815, 426, pi. 

 6, f. 8 (New York). 



Cybium maculatum Cuvier, Reg, Anim., ed. 2, 1829 (after Mitchill) ; 

 Agassiz, Spix. Pise. Brazil, 1829, p. 103, tab. 60 (Atlantic) ; Cuvier 

 and Valenciennes, Hist. Nat. Poiss., viii, 1831, 181 (New York) ; 

 Stoier, Bost. Jour., iv, 1842, 179 (Lynn, Mass.) ; Ayres, Bost. Jour. 

 Nat. Hist., iv, 1842, 261 (Brookhaven) ; De Kay, N. Y. Fauna, 

 Fsh, 1842, 103, pi. 73, f. 232 (Long Island) ; Storer, Synopsis, 1846, 

 92; Baird, Fish N. J. Coast, Itr'SS, 21 (Beaseleys Point) ; Gunher, 

 Cat. Fish. Biit. Mus., ii, 1860, 372; Stonr, Hist. Fish. Mass., 1867, 

 68, pi. 13, f. 1 (Lynn, Mass. ; Proviucetown) ; Gill, Rept. U. S. Fish 

 Comm., 1871-72, 802 (name only) ; Baird, Rept. U. S. Fish Comm., 

 1871-72, 825 (Wqod's Holl), no description; Gill, Cat. Fish. E. 

 X6 



