396 BTTCEEOTIDJi;. 



2. Ocyceros griseus. 



Grey Hornbill, Lath. Gen. S[i/v. fSvjipl. i. p. 72 (1787). 



Buceros griseus, Lat/i. Jnd. Orn. i. p. 147 (1790) ; Slum; Gen. Zool. 



viii. p. 40 (18U) ; Vieill. N. Diet. cVHist. Nat. iv. p. 594 (1810) ; 



Diwiunf, Diet. S'c. Kat. vi. p. 212 (1817) ; Merrem, Ersch u. 



Grnber, Unci/cl. xiii. p. 285 (1824) ; Gray, Gen. Birds, ii. p. 400 



(1847) ; Sc/if. Mus. Paijs-Bas, i. Buceros, p. 11 (1862). 

 Buceros (Tockus) griseus, Less. Traite Orn. p. 252 (1831). 

 Tockus griseus, Bonap. Consj). Gen. Ai\ i. p. 91 (1850) ; Fairbayil; 



Sir. F. iy. p. 255 (1876), v. p. 395 (1877) ; FlHot, Mon. Bucerot. 



pi. 64 [text] (1877) ; Bidler, Cat. B. S. Bombay Pres. p. 21 (1880) ; 



Vidal, Str. F. ix. p. 51 (1880) ; Bidler, Str. F. ix. p. 384 (1880) : 



Davison, Str. F. x. p. 352 (1883). 

 Rhiuoplax griseus, Bonap. Consp. Vol. Anisod. p. 3 (1854). 

 Toccus griseus, Bourdillon, Str. F. iv. p. 387 (1876). 

 Alophius griseus, Dubois, Bidl. Mus. Behj. iii. p. 216 (1884). 

 Buceros ciueraceus, Temm. PI. Col. ii. p. 80 (1824) ; Gray, Gen. 



Birds, ii. p. 400 (1847). 

 Tockus giugalensis, Jerd. B. Lnd. i. p. 250 [part.] (1862) ; id. Ibis, 



1866, p. 350, 1872, p. 5. 



Adult male. Superciliary stripe, extending from the lores to the 

 nape, and the chin greyish white ; ear-coverts LLickish grey and 

 crown dark grey, neck and chest paler ; all the feathers with whitish 

 shaft-streaks ; breast, inner side of shoulders, and thiglis pale grey ; 

 belly whitish ; vent and under tail-coverts rufous-buff ; back, rump, 

 and upper tail-coverts brownish grey ; wing-coverts grey ; bases of 

 quills white ; rest of primaries and secondaries blackish grey, slightly 

 glossed with green, the third to the seventh primaries with white 

 ends ; middle and second pairs of tail-feathers brownish black, 

 glossed with green ; three outer pairs the same, but with the last 

 inch and a half white: bill horny yellow, dull orange towards the 

 base and black along the cutting-edge. Total length 22-5 inches, 

 wing 8-4, tail 9'5, tarsus I'T. 



Adult female. Resembles the adult male in plumage, but the bill 

 is paler and the basal part of the top of the culmen and a patch 

 at the base of the lower mandible are black. Total length 18-5 

 inches, wing 7'7, tail 7-7, tarsus 1-6. 



Immature birds have the wing-coverts and scapulars narrowly 

 margined with buff, and the middle part of the outer web of the 

 white-tip])cd primaries margined with white. 



Sab. "Western India, Khandeish to Travancore. 



a. S ad. sk. Khandeish. Tweeddale Coll. 



b-d. c? 5 ad. sk. Khandala, April, May {Fair- Hume & Tweeddale 



bank). Colls. 



e,f. c5' ad. sk. Bramagberries, April (7)amOT!). Hume Coll. 



f/,'h. cS ad. sk. Wynaad, May {Davison). Hume Coll. 



i. 5 ad. sk. Cardammi Pl'ills, Feb. (Ehces). Hume Coll. 



k. S ad. .sk. Mynall, April {Bourdillon). Hume Coll. 



I, m. S 2 ad. sk. Travaucore. Gould Coll. 



n, o. S imm. sk. Ramghaut, Jan. Tweeddale CoU. 



p. Ad. St. Malabar. Mr. Spinks [P.l. 



