74. MYIARCHUS. 247 



b\ Inner web of outer rectrix partly 

 blackish : 



) rather larger 4. mexicanus, p. 250. 



) rather smaller 5. tyrannulus, p. 251. 



b". Under wing-coverts rufous 6. validus, p. 252. 



b'. Without rufous margins to the tail- 

 feathers. 

 e". Tail uniform. 

 c'". Cap brownish. 

 c*. Back darker: 



i bill longer 7. ferox, p. 253. 



| bill shorter 8. cephalotes, p. 254. 



d l . Back lighter 9. pelzelni, p. 255. 



d"'. Cap black 10. phaonotus, p. 255. 



e'". Cap dark greyish 11. phceocephalus, p. 255. 



d". Tail with brown-white end-spots . . 12. apicaJis, p. 256. 

 b. Smaller-sized species (group of M. laivrencii). 

 c'. Breast not flanimulated. 



e". Rectrices blackish, sometimes with 

 slight rufous margins. 

 /'". Rectrices with narrow rufous 

 margins : 



I cap brownish 13. laivrencii, p. 256.| 



| cap black 14. niffricapillus, p. 257. 



(/'". Rectrices without rufous margins. 

 e\ Cap black ; back olive : 



I smaller 15. niyriceps, p. 258. 



I larger 16. atriceps, p. 259. 



f\ Cap blackish; back greyish brown 17. tricolor, p. 259. 

 f". Lateral rectrices on inner webs more 

 or less rufous. 

 h'". Larger : bill longer. 

 g*. Lat. rectr. on inner webs rufous 

 throughout. 

 c 5 . Abdomen pale sulphur-yellow. 

 a s . Abdomen brighter; prima- 

 ries edged with ferruginous : 



I back lighter ; bill broader . 18. yucatanensis, p. 260. 

 | back darker ; bill narrower 19. dominicensis, p. 260. 

 6 6 . Abdomen paler ; primaries 



edged with rufous 20. stolidus, p. 260. 



d\ Abdomen white, washed with 



ytllowish 21. sayree, p. 261. 



h'. Lat. rectr. only rufous at euds . . 22. antillarum, p. 262. 



i" . Smaller : bill shorter 23. magnirostris,f. 262. 



d '. Breast flammidated 24. Jlammulatus, p. 263. 



B. Above grey : beneath rufous 25. semirufus, p. 263. 



1. Myiarchus crinitus. 



Muscicapa crinita, Linn. S. X. i. p. 325; Wils. Am. Orn. ii. p. 75, 



pi. 13. fig. 2. 

 Tyranuus criuitus, Sw. Quart. Journ. Sc. xx. p. 2<1 ; Mai: J. f. O. 



1858, p. 182. 

 Tyrannula crinita, Bp. Consp. i. p. 189; Kaup, P. Z.S. 1851, p. 51. 

 Myiarchus crinitus, Cab. J. f. O. 1855, p. 479 ; Baird, B. N. Am. 



