22. ICTERUS. 363 



Key to the Species. 



A. Bill stout, conical; the ciilmen and gonys straig-ht; tail slightly 



rounded. {Hyphantes.) 

 a. Uropygium yellow : 



I whole head black 1. haltimore, p. 3G4. 



I crown black ; sides of head yellow . . 2. bullocki, p. 365. 

 h. Uropygium black \ 3. aheillii, p. 366. 



B. Bill slender, slightly decurved : tail-feathers graduated. (Pendidinus.) 



c. Abdomen chestnut: 



I cap black 4. spurius, p. 366. 



I cap chestnut 5. bonana, p. 368. 



d. Abdomen black. 



a'. Bend of wing chestimt 6. pyrrhopterus, p. 368. 



h' . Bend of wing yellow. 



a-. Crown yellow 7. chrysocephalus, 



b\ Crown black : _ [p. 369. 



I thighs black 8. cayanensis, p. 369. 



I thighs yellow 9. tibialis, p. 370. 



e. Belly blaclc, crissum yellow : 



j flanks black 10. hypnmdas, p. 370. 



j flanks yellow 11. dominicensis, p. 371. 



/. Belly black down to middle, then yellow 

 or orange : 



j belly yellow ; size smaller 12. portoricensis, p. 371. 



( belly "orange ; size larger 13. laudabilis, p. 372. 



g. Whole belly yellow or orange ; throat 

 black. 

 c'. Above black ; lower back yellow. 



e^. Bend of wing black 14. oberi, p. 372. 



d-. Bend of wing yellow. 



«'. Crissum black 15. wayleri, p. 372. 



b^. Crissum yellow. 

 aK Tail black. 



) Wings black 16. prosthemelas, p. 373. 



\ "Wings spotted with white . . 17. maculi-alatus,^. 373. 

 bK Tail half black, half yellow . . 18. parisonim, p. 374. 



d'. Above yellow ; cap black 19. melanocephalus, 



e'. Above yellow ; interscapulium black. [p. 375. 



e'^. Bend of wing black 20. cucullatus, p. 376. 



f^. Bend of wing yellow. 

 c\ Tail black. 



j "\Mngs black 21. aurtcapilh/s, p. 377. 



] Wings with a white blotch . . 22. hau.rweUi, p. 377. 

 d-^. Outer rectrices tipped with white. 23. _(/racd'-«»M«, p. 378. 



e*. Outer rectrices yellow 24. mesomelas, p. 378. 



/'. Above wholly yellow (except lores). 



g'^. Wings black 25. yiratidi, p. 379. 



/«-. Wings edged with white. 

 /■''. Middle coverts black. 



c*. Interscapulium unspotted : 



j white wing-edgings narrow. . 26. xanthormis,^. 380. 

 ) white wing-edgings broad .. 27. cwasoensis, t^. 381 . 



dK luterscapuhura spotted 28. dubusi, p. 381. 



g^. Middle coverts white 29. auratus, p. 382. 



