35 



amination of specimens has convinced me that this is not the case. In 

 the National Museum are two well-characterized specimens of Pseiido- 

 scarus aeruleiis, measuring nine and fifteen inches respectively, both of 

 which have the hump upon the profile well developed, though not so 

 prominent as in the adult specimen of thirty-six inches. Parra's two 

 figures (lamina xxviii) named "Loro" and ''Tromi)a" represent differ- 

 ent ages of this species, the prolonged caudal lobes as well as the addi- 

 tional size of the caudal lobe being characters of age. 



LABRID^. 



CHOEROJULIS RADIATUS, (Linne) Goode. 

 Blue-fish. 



Ttirdus Ociilo radiato (Pudtliog-wife), Catesby, Nat. Hist. Carol. &c. 1743, ii, 12, tab. xii, 



fig. 1. 

 Spams radiatiis, Linn:^, Syst. Nat. ed. 12, 1, 1776, 472. — Gmelix, Linu6, Syst. Nat. 1, 



1788, 1278. 

 Doncella, Parra, Desc. Dif. Piez. Hist. Nat. Cuba, 1787, 95, lam. xxxvii, fig. 1. 

 Julia cyanosUgma, Cuv. & Val., Hist. Nat. Poiss. xii, 1839, 391 (type 6 iuches long). — 



Mt'LL. & Trosch. iu Schomburgk's Hist. Barbados, 1846, 073. — Storer, Syn. 



Fish. N. Am. 1846, 139. 

 Platyglossus cyanosUgma, Gtjxther, Cat. Fish. Brit. Mus. iv, 1862, 161. — Cope, Trans. 



Am. Phil. Soc. 1870, 464. 

 ChcBi'ojulis cyanostigma, Poey, Rep. Fis. Nat. Cuba, ii, 1868, 334. 



Julis Principis, Cuv. & Val., op. cit. 402, (type 11 inches long). — Storer, op. cit. 140, 

 Platyglossus principis, Gunther, op. cit. 164. 



Julis patatiis (partim), Cuv. & Val. op. cit. 398 (types 13 to 15 inches long). — Storer 

 op. cit. 140. 



The Blue-fish is frequently taken in the pots, though not valued as 

 food. My largest specimen measures sixteen inches. The common name 

 refers to the color of the adult fish. The species is recorded from several 

 of the West India islands. 



Color. — In the adult, a brilliant azure-blue, each scale edged with 

 bright pearly-green. A longitudinal band on anal and the margin of 

 the dorsal light blue. In the young, the prevailing hue is brownish, a 

 large light-blue spot on the base of each scale. Head with spots and 

 longitudinal stripes of light blue. Dorsal with broad margin, and four 

 lines of spots and blotches, longitudinally arranged, of the same color. 

 Caudal with broad white margin, outer rays blue to the extremity, the 

 base of the fin thickly spotted with the same. Anal with border and 

 two longitudinal lines of blue, the fin being thus divided into three 



