AGELASTES.— ACKYLLUM. 65 



Genus AGELASTES. 



Head and neok naked, with a few scattered plumes. Tail of fourteen feathers. Fifth to 

 seventh primaries subequal and longest. Male with short, stout spur. One species. 



A. meleagrides. 19". The Turkey-like Guinea Fowl. Plumage black, mottled white. 

 Neok, chest, and mantle white. Naked skin of head red. W. Africa. 



Genus NUMIDA. 



Head and neck naked, bony helmet on crown. Cheek wattles. Tail of sixteen feathers. 

 Fifth primary slightly longest. Plumage black, spotted white. Sexes similar. Eight species. 



N. meleagris. 25". The Common Helmeted Guinea Fowl. Wide collar, vinous grey. 

 Naked skin on side of face, neok, chin and wattles red, rest of neck bluish. W. Africa and 

 Cape Verd Islands. Twelve eggs (1-95 x 1-55), pale brown, thickly pitted red-brown. 



N. zechi. ISJ". Allied to N. meleagris, but differs in having feathers of upper parts pale 

 brown, spotted darker. W. Africa. 



N. coronata. 20". Large-helmeted Guinea Fowl. Bony helmet sloping backwards, basal 

 part red. Naked skin on sides of head and neck pale blue. Wattle pale blue, tipped red. 

 Feathers round base of neck banded black and white. E.S. Africa. Eggs 1-7 x 1-4. 



Ji. reichenovii. 20J". Differs from N. coronata in having helmet set vertically. Wattles 

 crimson. E. Africa. 



N. marugensis. 27" Marunga Helmeted Guinea Fowl. Naked skin on sides of head and 

 throat flesh colour. Black and white bands of neok continued on the chest.,^W. Africa. 



N. comuta. 21J". Damaraland Helmeted Guinea Fowl. Helmet nearly cylindrical. 

 Naked skin of face blue. Wattles blue, tipped scarlet. W.S. Africa. Fifteen to twenty eggs, 

 pale buff, speckled grey. 



N. mitrata. 20". Helmet conical. Top of head scarlet. Naked, skin on sides of head 

 and neck blue. Wattles blue, tipped red. E. Africa. Eggs (1-9 x 14) pale brown, blotched 

 and spotted pale red. 



N. ptilorhyncha. 19". Abyssinian Helmeted Guinea Fowl. Bunch of pale horny bristles 

 at base of bill. Naked skin and wattles blue. Equatorial and N.E. Africa. 



Genus GUTTERA. 



Crest of black feathers. Wattles small. Fold of skin at back of neok. Tail of sixteen 

 feathers. Fifth primary slightly longest. Male without spur. Sexes alike. Plumage black, 

 spotted pale blue. Outer webs of outer secondaries margined white. Four species. 



G. cristata. 20". The Black-collared Crested Guinea Fowl. Black collar at base of neck. 

 Naked skin of head and neok cobalt. Chin and throat red. W. Africa. 



G. edimardi. 20". The Black-ohested Crested Guinea Fowl. Black collar extending over 

 whole chest. Naked skin of head and neck purple, black round eye, and yellowish on back 

 of neok. S. Africa. 



G.pucherani. 20". The Curly-crested Guinea Fowl. No black collar. Naked skin of 

 throat and neck red. Back and sides of head blue. Wattles red. E. Africa. 



G. plumifera. 20". The Straight-crested Guinea Fowl. Crest of thin, straight feathers. 

 Naked skin bluish purple. W. Africa. 



Genus ACRYLLUM. 



Head and upper neck naked. Band of feathers from ear-coverts round nape. Plumage 

 long and hackled. Tail of sixteen feathers, mid-pair lengthened. Sixth primary slightly the 

 longest. Tarsus in male with four or five knobs. One species. 



A. vuUurinum. 30". The Vulturine Guinea Fowl. Nape-band velvety red-brown. Long 

 hackles of neck, mantle, chest white, edged black and margined blue. Breast and belly blue. 

 U'aked akin blue. E. Africa. (O.G. ii. 84-102.) 



