168 Bangs, Cabot's Yucatan Types. [.April 



ChlorostUbon canivetii canivetii (Lesson); Thamnophilus doliatus 

 yucatanensis Ridg. ; Platypsaris aglaioe yucatanensis Ridg. ; Tityra 

 semifasciata per sonata (Jard. & Selby); Mimus gilvus gracilis 

 (Cabanis) ; Planesticus grayi tamaulipensis (Nelson) ; Cyclarhis 

 flaviventris yucatanensis Ridg.; Dendroica bryanti bryanti (Ridg.); 

 Guiraca cmrulea ccerulea (Linn.) ; Arremonops verticalis (Ridg.) and 

 Icterus gularis yucatanensis Berlepsch. Some others I suspect 

 were really collected by Dr. Cabot in Yucatan but there is now 

 no way of proving the fact. 



Following is a list of the Yucatan birds described as new by 

 Cabot with an account of such of the types as remain. 



Sterna sandvicensis acuflavida Cabot. Sterna acuflavida Cabot, 

 Proc. Bost. Soc. N. H., Vol. II, p. 257, 1847. Tancah, coast of Yucatan, 

 April 25, 1842. 



One specimen only, mentioned. 



Type now, M. C. Z. no. 72571. 



Micrastur melanoleucus (Vieill.). Falco percontator Cabot, Boston 

 Jour, of N. H., Vol. IV, p. 462, Jan. 1844. Edge of the great cenote at 

 Chichen Itza, Yucatan. 



Two specimens, c? and 9 adult. 



Cotypes now rf 1 M. C. Z. 72572; 9 M. C. Z. 72573. 



Eumomota superciliosa superciliosa (Sandbach). Momotus yuca- 

 tanensis Cabot, Proc. Bost. Soc. N. H., Vol. I, p. 156, 1843. Boston Journal, 

 of N. H., Vol. IV, No. 4, p. 466, Jan. 1844. " Throughout Yucatan, 

 particularly at Chichen Itza." 



The number of specimens preserved was not stated by Cabot. One 

 example still exists. This Type is now M. C. Z. no. 72575. 



Centurus dubius dubius (Cabot). Picus dubius Cabot, Proc. Bost. 

 Soc. N. H., Vol. I, p. 164, 1844. Boston Journal of N. H., Vol. V, p. 91, 

 1845. Uxmal, Yucatan, Nov., 1841. 



One specimen an adult cf . 



Type now, M. C. Z. no. 71785. 



Chloronerpes rubiginosus yucatanensis (Cabot). Picus yucatanen- 

 sis Cabot, Proc: Bost. Soc. N. H., Vol. I, p. 164, 1844. Boston Journal of 

 N. H., Vol. V, pt. I, p. 92, 1845. Road from Chemax to Yalahao, Yucatan, 

 March, 1842. 



One specimen, c? ■ 



This cannot now be found. 



Dryobates scalaris parvus (Cabot). Picus parvus Cabot, Proc. Bost. 

 Soc. N. H., Vol. I, p. 164, 1844. Boston Journal of N. H., Vol. V, p. 92, 

 1845. 1 Ticul, Yucatan, December, 1841. 



1 Original reference cited in error in Ridgway, ' Birds of North and Middle 

 America.' Part VI, p. 249, as Jour. Ac. Nat. Sci. Phila, V, 1845, 90. 



