6oO CALIFORNIA ACADEMY OF SCIENCES. 



XX. Supraocular spine wanting. 

 E. Mandible scaly, peritoneum dusky or black. 



F. Lower jaw only slightly or not all pi'ojecting; peritoneum jet- 

 black. 

 G. Head 2^; depth 3. D. XIII-12; A. Ill, 5; lat. 1. (tubes) 40-45. 

 Body short deep. Maxillary reaching beyond pupil, 2^ in head; 

 jaws about equal. Eye very large, 2f to 3 in head; interorbital 

 space 6 in head. Scales small, mostly smooth and cycloid, ir- 

 regular. Mandible and maxillary partly scaled. Second anal 

 spine longer and stronger than third, 2 in head. Pale below, 

 dusky above, blotched with reddish and black; mouth and gill 

 cavities and peritoneum jet-black. Gulf of California. 



sinensis* 

 GG. Head 2f ; depth 3^. D. Xni-14 or 15; A. Ill, 7 or 8; lat. 1. 

 (tubes) about 42, 70 vertical series of scales above lat. 1. Max- 

 illary reaching middle of pupil, 2^ in head; lower jaw slightly 

 the longer, with small knob. Eye much longer than snout, 3 

 to 3i in head; interorbital space If in orbit. Scales large, rough- 

 ctenoid, those on maxillary and mandible smoother. Second 

 anal spine usually longer and stronger than third, \^ to \^ in 

 head. Five vaguely defined black bars on back; some red on 

 the sides. Eoof of mouth posteriorly dusky; mouth and branch- 

 ial cavities otherwise white. Peritoneum jet-black. Santa 

 Barbai-a Islands. zacentrusA 



FF. Lower jaw strongly projecting. Peritoneum dusky. Head 2|; 

 depth 34. D. XIII-13; A. Ill, 6; lat. 1. 58. Maxillary reaching 

 posterior margin of pupil, 2| in head. Eye very large, longer than 

 snout, 3i in head. Scales large, not very rough; accessory scales 

 numerous; m'axillary and mandible scaly. Second anal spine 

 much longer than third, 2 in head. Light red; sides above with 

 irregular horizontal, interrupted olive - green bands. San Diego 

 to San Francisco, abundant. elongatus.t 



EE. Mandible naked, peritoneum pale or white. Body usually deep. 

 H. Scales on head mostly cycloid; lower jaw projecting; head large, 

 pointed. 

 I. Pink, with 4 interrupted cross-bars of black; back sometimes 

 dusky. Head 2|; depth 3. D. XIII-13J; A. Ill, 7}; lat. 1. 50. 

 Head very large; maxillary reaching posterior margin of pupil, 

 greatly dilated behind, its width about equal to diameter of eye; 

 lower jaw projecting, with a well developed symphyseal knob. 



"" Sebastichthys sinensis Gilbert, Proc. U. S. Nat. Mus. 81, 1890. 

 t Sebastichthys zacentrus Gilbert, Proc. U. S. Nat. Mus. 77, 1890. 

 'i Sebastes elongatus Ayres, Proc. Gal. Acad. Sci. ii, 26, 1859, fig. 9. 



