PICID^E. 399 



1949. Hypoxanthus rivolii. 



Picus rivolii, Boiss. Rev. Zool. 1840, p. 36: Sundev. Consp. 

 Av. Picin. p. 71. 



Geopicus rivolii, Malh. Mon. Pic. ii. p. 267, iv. pi. 112. 

 Colaptes rivolii, Scl. Cat. Am. B. p. 344. 

 a, b Bogota (Bt at Stevens s] 1845. 



CENTUBUS. 

 Centurus, Swainson, Classif. B. ii. p. 310 (1837). 



1950. Centurus carolinus. 



Picus carolinus, Linn. Syst. Nat. i. p. 174: Sundev. Consp. 

 Av. Picin. p. 53. 



Zebrapicus carolinus, Malh. Mon. Pic. ii. p. 234, iv. pi. 103. 

 Centurus carolinus, Baird, Brew. & Ridgw. N. Am. B. ii. p. 554. 

 a (Askew) 1834. 

 A North American species. 



1951. Centurus radiolatus. 



Picus radiolatus, Wagl. Syst. Av. fol. 2, p. 12: Sundev. 

 Consp. Av. Picin. p. 52. 



Centurus radiolatus, Gosse, B. Jam. p. 271. 

 a $ Jamaica (P. H. Gosse) 1848. 



1952. Centurus albifrons. 



Picus albifrons, Sw. Phil. Mag. New Ser. i. p. 439. 



Centurus santacruzi, Bp. P. Z. S. 1837, p. 116: Scl. Cat. 

 Am. B. p. 343. 



Zebrapicus santacruzi, Malh. Mon. Pic. ii. p. 241, iv. pi. 105. 



a Guatemala (J. Constancia) 1845. b Guatemala (J. Con- 

 stancia) 1848. 



1953. Centurus elegans. 



Picus elegans, Sw. Phil. Mag. New Ser. i. p. 439: Sundev. 

 Consp. Av. Picin. p. 55. 



Centurus elegans, Scl. Cat. Am. B. p. 342. 



Zebrapicus elegans, Malh. Mon. Pic. ii., p. 225, iv. pi. 102. 



a, b (N. C. Strickland) 1838. 



A Mexican species. 



