40-4 ITH YS. — IXONOTUS. 
Hepburnia Northiae, U. spadicea Bonaparte, Compt. rend. 1856. XLII. 882. 
Plectrophora madagascariensis Reichenbacii, natürl. Syst. 28. Tf. 319. 351. 
Tetraogallus spadiceus supra 231. 
Kokutri Savarukogi. 
Zeylonensis [Ceylon. 
Tetrao zeylonensis , T. bicalcaratus Gmelin, Syst. Nat. I. 759. — Buffon, PI. 
enlum. 137. 
Perdix senegalensis Brisson, Ornith. I. 231. Tb. 24. Fig. 1. — [cf. Franco- 
linus bicalcaratus Gray.] 
Perdix bicalcarata Pennant, Ind. Zool. Tb. 14. — Latham, Ind. Ornith. 
II. 643. — [cf. Francolinus bicalcaratus Gray.] 
Tetrao bicalcaratus Linne, Syst. Nat. I. 277. 
Perdix ceylonensis Latham, Ind. Ornith. — Bonnaterre, Encycl. méth. 210. 
Tb. 93. Fig. 2. 
Galloperdix zeylonensis Blytti, Catal. Birds as. Soc. 241. — Gotîld, Birds 
Asia VI. Tb. 2. 
Galloperdix bicalcaratus Blyth, Journ. as. Soc. Bengal 1844. XII. 936. 
Francolinus ceylonensis Stephens, Gener. Zool. XI. 331. 
Tetraogallus zeylonensis Gray, Genera Birds III. 500. 
Aban , Saban Cuccula. 
ITHYS Wagler, Oken's Isis 1830. s= Thinocorus Esch. 
IXIDIA cyaniventris Blyth, Journ. as. Soc. 1845. XIV. 578. == Pycnonotus 
cyaniventris Blyth. 
IX0CHERUS vidua Bonaparte, Compt. rend. 1854. XXXVIII. 58. = Ixos vidua 
Tem. 
IX0CINCLA (Brachypodidae) Blyth, Journ. as. Soc. Bengal 1845. XIV. 575. = 
Hypsipetes Vig. 
Differs from Hypsipetes in its more bulky form, stouter and more meruline 
bill and in the greater size of the legs and toes, but in other respects is nearly 
allied. 
borbonica Blyth, Journ. as. Soc. Bengal 1845. XIV. 575. — Hypsipetes bor- 
bonica Schleg. 
crassirostris Gray, Handl. Birds I. 273. = Hypsipetes crassirostris Newt. 
madagascariensis Gray. Handl. Birds I. 273. = Hypsipetes madagascariensis 
Schleg. 
olivacea Blyth, Journ. as. Soc. Bengal 1845. XIV. 575. — Hypsipetes olivacea 
Jard. 
virescens Blyth, Journ. as. Soc. Bengal 1845. XIV. 575. = Hypsipetes nico- 
bariensis Moore. 
IX0C0SSYPHUS Kaup, natürl. Syst. 1829. = Tardus Lix. 
IX0DIA (Brachypodidae) Blyth, Journ. as. Soc. Bengal 1845. XIV. 577. = 
Pycnonotus Kuiil. 
Synon: Ixidia Blyth. 
Bill small and compressed, widening very little at base, the tip of the upper 
mandible but faintly emarginated and the gape unarmed. Rest as in Microtarsus. 
the head being crestless and the coronal plumage uniforme in texture with the other 
feathers. The lower tail coverts of the only ascertained species are bright yellow ' 
as in various species of Pycnonotus. 
cyaniventris Blyth, Journ. as. Soc Bengal 184 5. XIV. 578. — Pycnonotus 
cyaniventris Blyth. 
IXONOTUS (Brachypodidae) J. et E. Verreaux, Revue Mag. Zool. 1851. III. 306. 
= Criniger Tem. 
Plumae uropygii rhachide robustissimo. Alae rotundatae: remigum prima 
robustissima, secunda longitudine nonae, tertia sextam aequante, quarta et quinta 
omnium longissimis. Cauda aequalis. Pedes brevissimi. Rostrum breve, gracile, 
compressum , subincurvum. 
