1384 Bulletin //, United States National Museum. 



peritoneum black. Color dark steel-blue, paler below ; body with about 

 12 nearly vertical blackish cross bands about as wide as the eye ; below 

 eye silvery, with a dark streak from maxillary to angle of opercle; oper- 

 cular blotch black; a black blotch in the axil; fins mostly dark. Two 

 larger specimens 11 and 13 inches long collected by the Albatross at San 

 Bartholome Bay, Lower California, differ notably in form, and may possibly 

 belongto a distinct species. Head 3| ; depth 2-$-. D. XI, 11 ; A. Ill, 10 ; scales 

 9-55-17; snout 3 in head; eye 5; interorbital 2f; maxillary 3-|; longest 

 dorsal spine 2^ ; second anal spine 3^ ; longest dorsal ray 3 ; longest anal ray 

 2; pectoral 1; ventral If; caudal lobe 1. Body oblong-ovate, com- 

 pressed; head short; maxillary barely reaching front of eye ; each jaw with 

 a single series of equal rounded incisors with small villiform teeth behind 

 them; villiform teeth on vorner; gill rakers as long as the diameter of 

 pupil, about 3 -f 12. Top of head as far back as posterior margin of eye, 

 snout, maxillary, lower jaw, preorbital, suborbital ring, and edge of pre- 

 opercle, naked; cheeks with 6 series of scales, 6 rows on the opercle; the 

 fins covered with fine scales; dorsal with a well-developed sheath of 

 scales. Spinous dorsal the higher; second and third anal spines about 

 equal, the first rays the longest, fin sharply angulated in front; ventrals 

 placed well behind pectorals, their tips not reaching the vent; caudal 

 emarginate, the lobes about equal. Color in spirits, slaty above with 12 

 or 13 dark cross bars which fade out below pectoral; a streak across max- 

 illary and preopercle below eye, and one across snout through eye; belly 

 silvery, fins all dusky, ventrals tipped with black, a black blotch on axil ; 

 edge of opercle black, a conspicuous black blotch above angle. Known 

 only from these 2 specimens and the types, 2 specimens 8 and 9 inches long 

 respectively, from the Bay of Guaymas. Length a foot, (azureus, sky-blue. ) 



Hermosilla azurea, JENKINS & EVERMANN, Proc. U. S. Nat. Mus. 1888, 144, Guaymas 

 (Type, No. 36269. Coll. Jenkins & Evermann) ; EVERMANN & JENKINS, Proc. U. S. 

 Nat. Mus. 1891, 156, pi. 1, fig. 3; JORDAN & FESLER, I. c., 533, 1893. 



566. KYPHOSUS, Lacdpede. 



(CHOPAS.) 



Kyphosus, LACEPEDE, Hist. Nat. Poiss., in, 114, 1802 (bigibbusfuscus). 



P'ntielepterus, LACEPEDE, Hist. Nat. Poiss., iv, 429, 1803 (bosquisectatrix). 



Dorsuarius, LACEPEDE, Hist. Nat. Poiss., v, 482, 1803 (nigrescens =fuscus). 



Xyster, LACEPEDE, Hist. Nat. Poiss., v, 484, 1803 (fuscus). 



Saleima, BOWDICH, Excursion Madeira, 238, 1825 (aurata). 



1 Opisthistius, GILL, Proc. Ac. Nat. Sci. Phila. 1862, 245 (tahmel). 



Body elongate-ovate, regularly elliptical, moderately compressed; head 

 short, with blunt snout; eye large; mouth small, horizontal; maxillary 

 barely reaching front of eye; each jaw with a single series of rather nar- 

 row obtusely lanceolate incisors, implanted with compressed conspicuous 

 roots posteriorly ; behind these a narrow band of villiform teeth ; fine teeth 

 on vorner, palatines, and tongue. Branchiostegals 7; gill rakers long. 

 Preopercle obsoletely serrate ; preorbital narrow, covering but little of the 

 maxillary. Squamation very complete, the space between and about the 

 eyes being the only naked part; scales smallish, thick, ctenoid, 60 to 70 in 



