CLASSIFICATION. xxix 



b". Smaller. Abdomen and thighs huff venustus, p. 235. 



c". Larger. Abdomen yellow. Thighs brown. 



d". Smaller affinis, p. 239. 



d<". Larger fazoglensis, p. 2-41. 



b. Entire head uniform green. 



b'. With no non-metallic pectoral band coquerelli, p. 2-13. 



d. With a broad non-metallic pectoral band. 



c". Pectoral band maroon-brown and black souimanga, p. 245. 



d". Pectoral band bright scarlet. Abdomen ashy brown. 



d'". Larger. With a narrow steel-blue collar. Abdomen not 

 shaded with olive. 



d"". Larger. Scarlet pectoral band broader afer, p. 249. 



e"". Smaller. Scarlet pectoral band narrower . . . ; . . chalybeus, p. 253. 

 e'". Smaller. With no steel-blue collar. Abdomen shaded with 



olive chloropygius, p. 257. 



VI. Chalcomitra or Dark-broion group. General colouring dark brown. 

 Metallic colours confined to the crown, least series of wing-coverts, 

 rump, and throat. 



a. Lower throat and front of the chest scarlet. 



a!. Chin and upper throat black cruentatus, p. 259. 



b 1 . Chin and upper throat metallic green. 



b". With a metallic violet patch on the least series of wing-coverts . gutturalis, p. 261. 

 c". With no metallic spot on the wings. 



d". Wings and tail darker : dark brown acik, p. 265. 



d'". Wings and tail paler : cinnamon brown senegalensis, p. 267. 



b. With no scarlet on the throat or on the front of the chest. 

 b' . Throat metallic lilac. 



b". Crown green. 



&'". Larger. Upper tail-coverts metallic lilac amethystinus, p. 269. 



d". Smaller. Upper tail-coverts dark brown like the back . . kirkii, p. 273. 



c". Front half of the crown metallic lilac fuliginosus, p. 275. 



c'. Throat metallic green angolensis, p. 279. 



d'. Upper throat black, lower throat buff adelberti, p. 281. 



VII. Adelinus or Submetallic group. Metallic colours confined to the edges of 

 the feathers of the upper parts, throat, and front of the breast, giving 

 only a partial metallic appearance. 



a. Head, neck, and mantle very dark brown, glossed with bronze. 



Abdomen white. Pectoral tufts orange fuscus, p. 285. 



b. Upper parts olive, glossed with metallic green. No metallic gloss on 



the underparts, which are pale ashy. Pectoral tufts scarlet . . . verreauxi, p. 287. 

 VIII. Cyanomitra or Olive group. General colouring olive. Metallic colours 

 confined to the head and neck. 



a. No portion of the plumage metalhc. Pectoral tufts yellow. 



a'. Darker. Beneath pale olive. Pectoral tufts gamboge-yellow . . olivaceus, p. 289. 

 b'. Paler. Beneath ashy white, shaded with olive. Pectoral tufts 



sulphur-yellow obscurus, p. 291. 



b. Throat metallic. Cheeks and ear-coverts not metallic. 



