172 BULLETIN 180, UNITED STATES NATIONAL MUSEUM 



pectoral with small white spots; ocular tentacles as well as 



others usually present on related species small or lacking. 



Scorpaenopsis albobrunneus (Giintlier) 



10&. Scales about 43 or 44 ; 1 or 2 weali sphenotic spines. 



11a. Supraocular tentacle small or lacking; suborbital ending in 



a spine but none along its length ; cirri on preopercle, pre- 



orbital but none on the maxillary ; no cirri on eye. 



Scorpaenopsis laotali (Jordan and Seale) 



11 &. Supraocular tentacle as long as or a little longer than eye; 



three suborbital spines; tentacles on preopercle, preorbital 



and along lateral line ; one or two cirri on maxillary ; 



upper part of eye with three small cirri. 



Scorpaenopsis asperella (Bennett) 

 lb. Palatine teeth present ; postf rontal spine present ; no pit below ej'e ; 

 scale rows about 44 (for other counts see table 16) ; usually a black 

 blotch in spiny dorsal between seventh to eleventh spines, this 

 blotch sometimes obscure ; axil of pectoral with white blotches ; 

 tentacles on head more or less absent, those on ocular spines, pre- 

 opercle, and preorbitals short ; underside of body anteriorly with 

 small pale spots ; air bladder undeveloped. 



Scorpaena nuchalis Giinther 

 46. Body without scales, skin usually with prickles; body much compressed, 

 its greatest depth at least three times in its height ; second and third 

 dorsal spines highest, about same height as soft dorsal ; no deep cmar- 

 gination between dorsal spines and soft rays, soft rays only a little longer 

 than last few spines ; tentacles on chin. lower jaw, snout, and over eye ; 

 following cranial spines are developed — nasal, preocular, supraocular, 

 postocular, parietal, nuchal, one posttemporal, and humeral ; suborbital 

 and preorbital without definite spines; dorsal rnys XII, 10; anal III, 6; 

 pectoral 14 or 15; gill rakers about 6+1+12; color yellowish with 

 blackish blotches or blackish Taenianotus triacanthus Lacepede 



Genus PTEROIS Oken 



Pterois Oken, in Cuvier, Regne animal, ed. 1, p. 286, 1S17. (Type, Scorpaena 

 volitans Bloch.) 



PTEROIS RADIATA Cuvier 



Pterois radiata Cuvier, in Cuvier and Valenciennes, Histoire naturelle des 

 poissons, vol. 4, 369, 1829. 



115729, Rose Island, reef, June 11-14, 1939, 11 specimens. 

 115728, Swains Island, reef, May 3-9, 1939, 9 specimens. 



115730, Canton Island, reef of widest shallow channel, May 13, 1939, 1 

 specimen. 



52535, Apia, Samoa, Jordan and Kellog, 1 specimen. 



PTEROIS VOLITANS (Linnaeus) 



Oasterosteus volitans Linnakus, Systema naturae, ed. 10, p. 296, 1758. 



115727, Rose Island, lagoon, June 12 to 20, 1939, 1 specimen. 

 52334, Apia, Samoa, Jordan and Kellogg, 1 specimen. 



