195. Inocotis davisoni.
DAVISON'S BLACK IBIS.
Male 32" to 32 1/2"; 3 1/2 to 4 lbs. Legs coral-red. Bill 7", plumbeous. Head black, with but few papillae behind. Broad white necklet, tinged blue at the nape. Burma, Pegu, Tenasserim, Cochin China, and Siam. Two eggs (2.55 x 1.8), pale blue. (B. 1543. S.F. iii. 300.)
Also the genus Thaumatibis. One species— T. gigantea, from Cochin China.
Also with crest or ruff of elongated feathers on the nape;—
The genus Nipponia. One species—& nippon, 29", with long crest and throat feathered to chin, general colour white, from E. Siberia, Japan, and China.
Also with entire throat hare:—
The genus Comatibis. One species— C. comata, 30", with long and narrow nuchal crest, head bare, general colour above black, from Asia Minor, Red Sea, Abyssinia, and N.E. Africa.
The genus Geronticus. One species— G. calms, 26", general colour dark metallic green, with nuchal crest of soft plumes, confined to S. Africa.
Also with head feathered:—
The genus Bostrychia. One species— B. carunculata, 28", general colour blackish, with nape strongly crested, and a fleshy wattle in centre of throat, from N.E. Africa.
The genus Hagedashia. One species— S. hagedash, 23", general colour above dark olive-green, chin feathered like the throat, and some warty papillae on lores, confined to Africa.
Also with chin bare and forehead feathered:—
The genus Theristicus. Two species —T. melanopis, 26", general colour silver-grey, lores with warts, region of eye bare, no crest on nape, from S. America ; and T. caudatus, 26", from British Guiana.
The genus Molybdophanes. One species— M. caerulescens, 30", general colour grey, mottled brown, large nuchal lanceolate crest, region of eye feathered, from S. America.
The genus Harpiprion. One species— H. cayennensis 22", general colour dark grass-green, lores bare, with no papillae, small nuchal, metallic crest, from C. and S. America.
The genus Phimosus. One species— P. infuscatus, 20 1/2", general colour black, glossed green, forehead and lores bare, with warty papillae, no nuchal crest, from S. America. (B.M. Cat., xxvi. 11-26.)
(ii.) Tarsus plated with transverse scales.