74 BULLETIN 214, UNITED STATES NATIONAL MUSEUM 



large orange blotch on rear of head and on area above pectoral fin, 

 nor the red streak across middle part of anal fin, as found in howersi; 

 also, it has a narrow green margin on distal edge of anal fin, whereas 

 the distal % or % of the anal fin of howersi is bluish green. 



In addition to the types I have studied numerous specimens in lots 

 from the following localities: Rose Atoll, 2 lots; Phoenix Islands, 2; 

 Fanning Island, 1 ; and Marshalls, 34. 



Scarus capistratoides Bleeker 



Plate 12,c,d 



Scarus capistratoides Bleeker, Vei'h. Bataviaasch Genootsch., vol. 22 (1847), p. 



50, 1849 (type locality, Batavia, Java; cotype examined in British Museum, 



Cat. No. 1862.2.287, standard length 210 mm.). 

 Pseudoscarus capistratoides Bleeker, Atlas ichthyologique . . ., vol. 1, p. 29, pi. 



6, fig. 2, 1862 (Batavia, Java). 

 Callyodon abacurus Jordan and Seale, Bull. U. S. Bur. Fish., vol. 25 (1905), p. 



324, pi. 33, 1906 (type locality: Apia, and Pago Pago, Samoa; holotype 



USNM 51754; paratypes USNM 51822, 51830, 51831, and 163938). 

 Xanothon capistratoides J. L. B. Smith (in part), Rhodes Univ. Ichthy. Bull. No. 



1, p. 6, pi. 43, A, 1956 (western Indian Ocean to lat. 14° S.). 



This species is characterized by having white teeth; 4 median pre- 

 dorsal scales, only 2 rows of scales on the cheek; ii,13 pectoral fin 

 rays ; edges of dorsal and anal fins green, with middle pale, base of fins 

 green; caudal region with pale spots, one on each scale. The drawing 

 of the holotype of S. abacurus (see pi. 12, d) shows the color pattern 

 on the head for this species rather well. 



I have studied, in addition to the types, 3 lots from the Philippines 

 and 1 from the Moluccas. 



Subgenus Hemistoma Swainson 

 Scarus dimidiatus Bleeker 



Plate 14a,b 



Scarus dimidiatus Bleeker, Acta Soc. Sci. Indo-N6erl., vol. 6, p. 17, 1857 (type 



locality Doreh: New Guinea; type examined in British Museum, Cat. No. 



1864.5.15.24, standard length 185 mm). 

 Pseudoscarus dimidiatus Bleeker, Atlas ichthyologique . . . , vol. 1, p. 41, pi. 



16, fig. 1, 1862 (New Guinea). 

 Callyodon fumifrons Jordan and Seale, Bull., U. S. Bur. Fish., vol. 25 (1905), 



p. 326, pi. 34, 1906 (type locality: Pago Pago, Samoa; holotype USNM 



51745; paratype USNM 61170). 



This species is characterized by having 6 median predorsal scales, 

 3 rows of scales on the cheek, with 2 to 4 scales in the ventral row; 

 ii,12 pectoral rays; an arch-shaped pale (greenish when alive) band 

 from below corner of mouth passing just under orbit to opposite 

 upper base of pectoral fin, and just above this, behind eye, a broad 

 dark brown band that curves downward to upper pectoral base ; white 



