320 BULLETIN OF THE UNITED STATES FISH COMMISSION. 



66. Pectorals reaching little past middle of ventrals, their length not 

 more than half head; body elongate; mouth oblique, the 

 maxillary extending to below its posterior margin; lateral 

 line becoming straight under front of second dorsal ; scales 



10-7o-17 ; about 60 pores in lateral line Stolzmanni.* 



dd. Caudal fin lunate, the middle rays shortest; anal rays II, 10; pec- 

 torals shoi't, not reaching to tips of ventrals ; scales 90 ; 

 lateral line with about 75 tubes ; maxillary extending be- 

 yond pnpil PARVlPINNE.t 



hh. Canines little developed, usually 4 in number when present. (Atractoscion 



Gill.) 



g. Pectoral moderate, more than half head ; head pointed, com- 

 pressed, 3f in length ; gill-rakers moderate ; scales very 

 small (13-95-x), those on head little embedded; canines 

 obsolete ; caudal lunate, its middle rays less than half head. 

 D. X-I, 22; A. II, 10. Color grayish; lower tins dusky; 

 inside of opercle not black. Size very large NoBiLE.t 



gg. Pectorals short, not more than half head ; second dorsal en- 

 veloped in lax, naked skin, thickened at base ; head regu- 

 larly conical, pointed, tapering, scarcely compressed, 3^ in 

 length; gill-rakers very short; scales very small (14-90-a;), 

 those on the head largely imbedded; canines small; lateral 

 line little arched ; caudal lunate, its middle rays more than 

 half head. D. IX-I, 21 ; A. II, 10. Color silvery, with 

 bright reflections ; lower fins pale ; lining of opercle 



black Phoxocephalum. 



aa. Second dorsal and anal densely covered with small scales ; coloration grayish-sil- 

 very; canines well develoi)ed; sides of lower jaw with a 

 single series of teeth. 

 h. Caudal lunate; dorsal rays IX-I, 23; A. II, 10; Lat. 1. 

 about 65 ; maxillary reaching a little beyond eye ; pec- 

 torals more than half length of head, reaching beyond tips 

 of ventrals ; lateral line becoming straight in front of vent. 



Othonopterum. 

 hh. Caudal rhombic, the middle rays produced ; D. VIII-I, 

 21 ; A. II, 10 ; Lat. 1. about 70 ; maxillary reaching a little 

 beyond eye ; pectoral shortish, scarcely more than half 

 length of head; lateral line becoming straight opposite 

 front of anal Squamipinne.§ 



10. Isopisthus remifer, sp. nov. (29169, (3 spec); 29312, 29324 ; 29336; 29429.) 



Head 3i (3f in total) ; depth 4^ (43) ; length (29312) 11 inches. D. 

 VIII-I, 20 ; A. II, 19; scales 15-73-10; about 55 scales pierced by the 

 lateral line. 



* Otolithus stolzmanni Steiudachner, Neue & Seltene Fische aus den K. K..Z06I. 

 Museen Wien. &c. 1879, 35, taf. ii, f. 1. Panama (Gilb.); Tumbez (Steind.). 



t Ci/nosciorijMrnjJi /(His Ay res, Proc. Cal. Ac. Nat. Sci. 1861, 156: Otolith ua magdalenm 

 Steiudachner, Ichth. Beitrilge, iii, 1875. San Pedro {Jor. 4- Gilh.); San Diego {Jor. ^ 

 Gilh.); Coast of Lower California (Ayres); Magdalena Bay (Steind.); Gulf of Cali- 

 fornia (Nichols coll.). 



\Johniu8 nohilis Ayres, Proc. Cal. Ac. Nat. Sci. 1860, 78: Otolithus californievsis, 

 Steind. Ichth. Beitr. iii, 31, 1875. San Francisco to Magdalena Bay, 



^Otolithus sqiiamipinnis Giinther, Proc. Zoiil. Soc. Lond. 1866, 601. La Union 

 (Nichols coll .) ; Panama (Gthr. Steind.). 



