520 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 



aa. Occipital crest l)roa(l, its honeycomb struct urc i)laiuly exposed at its upper 

 uiargiu; dorsal spines 12; si)ecies Avithout blue or <roldcu markings, but 

 with about seven broad black crossbands crossing the body; no distinct 

 Rhouldcr-s]»ot. ]>ody much compressed; dorsal outline strongly arched; 

 ventral outline almost straight. Prohlestraight and steep anteriorly. Depth 

 2 to 2^ in length; head 3^. Head compressed, deep; mouth large, almost 

 liorizoutal; maxillary 2| in head; eye i)lac6d high, 1 in head, IJ in interor- 

 bital, li in suborbital. Incisors f, entire or slightly emarginate, serrate 

 in the young; molars in three series above, in two below; those of the 

 inner series larger, those behind the incisors very small. Highest dorsal 

 spine 1^ in head; caudal not deeply forked; second anal spine about 

 twice in head, much longer than third. Yentrals not nearly reaching vent; 

 pectorals reaching jiast beginning of anal. Color, head dark; body silvery- 

 gray, with 5 to 7 dark bars, wlii<di are less distinct in the adult; base of 

 pectorals, black. D. xii, 10 or 12; A. in, 10 or 11. 



d. Incisors broad, their breadth about half tlieir length. Scales, 7-48-15. 



Prouatocephalus, 122. 



dd. Incisors narrower, their breadtli 2J in their length. Scales, 7-44-14. 



AuiES, 123. 



119. ARCHOS ARGUS UNIMACULATUS. (Salema.) 



Salema Marcgrave, Hist. Pise. Brasil., 153, 1G48 (Brazil). 



Bream Brown, " Jamaica, 446, No. 1," 1756. 



Perca unimactilata Bloch, pi. 308, 1792 (Brazil), (on a figure by Prince Maurice). 



Grammlstes unimaculaUis, Bloch & Schneider, Syst. Ichth., 184, 1801 (after Bloch). 



Sargus nnimaculatus, Cuv. & Val., Hist. Nat. Poiss.,vi, 62, 1830 (Rio Janeiro, Martin- 

 ique); Storer, Syn. Fish. N. A., 334, 1845 (copied); Giinther, Cat. Fish Brit. 

 Mus., I, 446, 1859(Bahia, Rio Janeiro, Guatemala, Puerto Cabello, Jamaica) ; 

 Giinther, Fishes Cent. America, 386, 1866 (Belize). 



Diplodus unimaculatus Jordan & Gilbert, Proc. U. S. N. M. 1884, 128 (Key West) ; Bean, 

 Proc.U. S. N. M. 1884, 158 ; Jordan, Cat. Fish. N. A., 91, No. 1065, 1885; Jordan, 

 Proc. U. S. N. M. 1886, 43 (Havana) ; Eigenmann & Hughes, 1. c, 1887, 69. 



Spaniasalhi Lac6pede, Hist. Nat. Poiss., iv, 136, 1803 (based on unimavttlatus of Bloch). 



Sargua humeri-maculatus Quoy & Gaimard, Voyage Freycinet, Zool., 297,1825 (Rio 

 Janeiro). 



Sargus flavolincatus Cuv. & Val., Hist. Nat. Poiss., vi, 60, 1830 (Cuba; Storer, Syn. 

 Fish U. S., 333, 1845 (copied); Giinther, Cat. Fish. Brit. Mus., i, 446, 1859 

 (copied) ; I'oey, Syn. Fish, Cub., 310, 1868 (copied) ; Poey, Enumeratio, 57, 

 1875 (copied). 



Diplodus flacolineal 118, Jordan, Proc. U. S. N. M. 1886, 42 (Havana). 



>Sargus varibiv.us Poey, Mcmu. Pise. Cub., ii, 197, 1860 (Cuba); Poey, Fauna Puerto 

 Riciuena, 328, 1881 (Porto Rico). 



lHplodu8 carihivuH, Jordan &, Gilbert, Syn. Fish. N. A., 930, 1883 (copied). 



Habitat: West Indies; north to Key West, soutli to Kio Janeiro. 

 Etymology: Unimaoulatus, having one spot. 



The mimerous specimens examined ])y ns are from Key West and 

 Havana. 



