Species of the Family Icteridce. 5 



(Guatemala); Nomencl. p. 37; Cassin^ Pr. Ac. Sc. Phil. 1866, 

 p. 18; Owen, Ibis, 1861, p. 61 (eggs); Cab. J. f. O. 1861, 

 p. 81 (Costa Rica); Merrill, Bull. Nutt. Orn. CI. 1877, p. 85 

 (Rio Grande) ; Sennett, Bull. U. S. Geogr. Surv. vol. iv. no. 1, 

 p. 23 (Rio Grande); Coues, Check-list (1882), p. 62; Lawr. 

 Mem. Bost. Soc. N. H. ii. p. 281 (N.W. Mexico). 



Molothrus robustus, Cab. Mus. Hein. i. p. 193. 

 Sericeo-viridescenti-seneus ; alis caudaque nigris, extijs pur- 

 purascenti-violaceis ; subalaribus et subcaudalibus pur- 

 pureo lavatis ; rostro et pedibus nigris : long, tota 8*3, 

 alse 4*8, caudie 3'4. Fern. Suprti fusco-cinerea aeneo 

 obsolete variegata, subtiis dilutior : crassitie minore. 

 Hab. Southern Mexico, Yucatan, Guatemala, Costa Rica, 

 and Veragua. 



Mus. S.-G. et P. L. S. 



Dr. Cabanis (J. f. O. 1861, p. 81) has recognized his M. 

 robustus as the female of the present species ; but I think 

 the plumage described under the name M. robustus is pro 

 bably referable to the young male, and not to the female 



3. Molothrus armenti. 



Molothrus armenti, Cab. Mus. Hein. i. p. 192 ; ej. J. f. O. 

 1861, p. 82; Cassin, Pr. Ac. Sc. Phil. 1866, p. 18. 

 Similis prsecedenti, sed crassitie minore, et nitore sericeo 

 iiavescenti-brunneo perfusus : mihi nondum obvius. 



Hab. Coast-region of Colombia; Cartagena {Cabanis) \ 

 Savanilla [Lawrence); Demerara [Cassin). 



Mus. Berol., Acad. Phil., et G. N. Lawrence. 



4. Molothrus bonariensis. 

 ^Tangavio, Daub. PI. Enl. 710, unde 



" Tanagra bonariensis, Gm. S. N. i. p. 898. 

 ^ Tordo comun, Azara, Apunt. i. p. 275. 

 -^ Icterus sericeus, Licht. Doubl. p. 19 ; Tsch. Faun. Per. 

 p. 225. 



' Molothrus sericeus, Bp. Consp. p. 437 ; Newton, Ibis, I860, 

 p. 308 ; Pelz. Orn. Bras. p. 200; Scl. Cat. A. B. p. 135. 



Icterus minor, Spix, Av. Bras. i. p. &7, pi. 63(?). 



Icterus violaceus. Max. Beitr. iii. p. 1212. 



