PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 95 



4. C. jwlijgraninuifi, ii. sp. p. 32G. = C. aurifrons mntocri(zi (the soutli Mex- 



ican form tending toward hoffmanni). 



5. C. Hoffmannli, w. sp. pp. G-22, 327. = C. aurifrons hoffmanni. 



6. C. elegans, p. 327. = C. elegans. 



7. C. tricolor, p. 327. = C. tricolor ami C. ruhrivcntris 



8. C. Puchcrani, p. 328. (=^ Melanerj^cs puchcrani.) 



9. C. Itiipopolius, p. 329. = C. Iwjpopolius. 

 10. C. uropiigiaJis, p. 330, = C. uropygialis. 



(3.) SUXDEVALL (1866). 



Conspectus Avium Picinarum, edidit Carolus J. Sundev.ill, Custos Musei Zool, Stock- 

 holmiensis. Stockholmine : 1366. 1 vol. 8vo. pp. i-xiv. 1-116. [The species ot 

 Centurus are referred to the genus Picus, under which they are ranged as a " Tribus 

 15. Pici albofasciati," on pages 52-56.] 



150. Picus striatus Gm. (p. 52). = C. siriatus. 



151. " radiolatus Wagl. (p. 52). := C. radiolatus. 



152. " albifrons Swains, (p. 52). = C. aurifrons dubius. 



153. " aurifrons Licht. (p. 53). =: C. aurifrons (as restricted). 



154. " pohjgrammus Cabanis (p. 53). = C. aurifrons santacruzi. 

 1.55. " caroZinM« L. (p. 53). ^ C. carolinus. 



156. " nropygialis Baird {\). 54). = C. uropygialis. 



157. " hoffmanni Cabanis (p. 54). = C. aurifrons hoffmanni. 



158. " /rico/or Wagl. (p. 54). = C. tricolor. 



159. " hypopolius Wagl. (i). 55). = C. hypopolius. 



160. " elegans Swains, (p. 55). = C. elegans. 



161. " superciliaris Temm. (p. 55). = C. superciliaris. 



162. " ^ermi Temm. (p. 55). {^= Melantrpes pucherani.) 



(4.) SCLATER & SALYIN (1873). 



Nomeuclator Avium Neotropicalium, etc., etc. auctoribus Philippo Lutley Sclater, 

 A. M., Phil. Doct., etc., etc. et Osberto Salvin, A. M., etc. Loudoui : Sumptibus 

 Auctorum. 1873. 



1. striatus (Bodd.) ex ins. Hayti. = C. striatus. 



2. radiolatus (Wagl.) ex ins. Jamaica. = C. radiolatus. 



3. a?6i/Vo«s (Sw.) ex Mex. et Guatemala. =^ C. aurifrons santacruzi and C. aurifrons 



dubius. 



4. aurifrons (Wagl.) ex Mex. bor. = C. aurifrons (as restricted). 



5. tricolor (Wagl.) ex Columb. Venezuela 



et Yeragua. = C. tricolor. ^ 



6. hoffmanni, Cab. ex Costarica. = C. aurifrons hoffmanni. 



7. hypopolius (Wagl.) ex Mexico. = C. hypopolius. 



8. eZe^ans (Sw.) ex Mexico. = C. elegans. 



9. superciliaris (Temm.) ex ins. Cuba. = C. sujyerciliaris. 



10. puchcrani (Malh.) ex Mex. Am. centr. (s 



et J]2quat. occ. {^ Melanerpes puchcrani.) " 



Genus Centurus, Swainsou. 



Centurus, Swains. Chissif. B. ii, 1837, 310 (type, Picus carolinus, Linn.). — Baird, B. N. 



Am., 1858, 108.— B. B. & R., Hist. N. Am. B. ii, 1874, 553.— CoUES, Key, 1872, 



196. 

 Zebrapicus, Malherbe, Mem. Ac. Metz, 1849, 360; Nouv. Class. Pic, 1850, ; Mon. 



Pic. ii, 1862, 223 (type, Picus carolinus Linn.). 

 Ch. — Bill about as loug as the liead, or a little longer, the length from 

 the tip to the nostril about equal to the tarsus, or a little greater ; de- 

 cidedly compressed anteriorly, but depressed at the extreme base ; the 



