29 GENUS SEBASTODES. 597 



jeeting. Orbit one in snout, 3£ in head. Cranial spines 

 covered with skin. Coronal spines absent. Scales very large, 

 but few accessory scales. Body scarlet, dark above; mouth 

 and gill-cavity black. Peritoneum black. San Diego. 



melanostoHiiis. 

 ww. Second anal spine equal to third. Head 2|; depth 2*. D. 

 XIII-13; A. Ill, 7; lat. 1. 30 to 35 (pores); about 55 vertical 

 series of scales. Maxillary nearly reaching posterior margin of 

 pupil 2^ in head. Eye large, 3J in head; interorbital width 5$ 

 in head. Lower jaw projecting, with prominent symphyseal 

 knob. Cranial spines quite strong. Scales large, everywhere 

 strongly ctenoid; accessory scales numerous; highest dorsal 3£ 

 in head. Red; axils black; mouth and gill-cavities largely 

 black. Peritoneum jet black. Santa Barbara Islands. 



intronhjerA 

 vv. Lower jaw scarcely projecting. Longest dorsal spine 2J in 

 head. Chiefly red; mouth and gill cavities and peritoneum 

 dusky. D. XIII-14; A. Ill, 7. Nuchal and coronal spines 

 present; maxillary reaching posterior border of eye, If iu head. 

 Interorbital space a little less than eye. Both jaws covered 

 with rough ctenoid scales; highest dorsal 2J in head. Second 

 anal spine scarcely longer than third. Yeso; Aleutian Islands. 



matzubariM.\ 

 aaa. Base of skull straight, or nearly so; interorbital space as a rule con- 

 cave and narrow; the cranial ridges and spines well developed. Mes- 

 ethmoid processes directed upward; ventral process of basisphenoid 

 well developed; skull comparatively thin. Gill-rakers usually short. 

 x. Supraocular sjjine present; interorbital space concave. 



y. Cranial ridges broken and armed with accessory spines, and in- 

 terorbital space nearly flat in adult (ridges smooth, interorbital 

 space concave in young, as in Sebaslodes rosaceus). Second anal 

 spine scarcely longer than third. Head 3; depth 2§; D. XIII- 

 14; A. Ill, 7; lat.l. aboutSO; maxillary reaching nearly posterior 

 edge of eye, 2 in head; lower jaw a little projecting. Eye 4£ 

 in head. Scales on head and body rough; accessory scales 

 numerous, Color red, nearly plain. Peritoneum white. San 

 Diego to Puget Sound; Alaska (Bean). ruberrimus.§ 



* Sebaslodes melanostomus Eigenmann & Eigenmann, Proc. Cal. Acad. 

 Sci., 17, 1890. 



t Sebastichthys hitronujer Gilbert, Proc. U. S. Nat. Mus., 81, 1890. 



t Sebastes matzubarce Hiigendorf, Sitzber. Gesellschaft Naturforschender 

 Freunde, Berlin, 170, 1880. 



§ Sebastodes ruber Jordan & Gilbert (not of Ayres), Synopsis of Fishes 

 of North America, 665, 1883. 



