EnYTIDOCEROS. — PTILOL.TIMFS. — OCYCEROS. 45 



Rhytidoceros subruficollis (Bli/th). 



Elntidoporos subruficolli«, FJIinf, Man. Bucer. text to pi. xsxvi. (1878) ; 



" Oates, Birds Brit. Bttrm. ii. p. 91 (1883) ; id. ed. Hume, Nests Sc 



Jiijqs Ind. Birds, iii. p. 81 (1890) ; Grant, Cut. Birds B. M. xvii. 



p. 384 (189l') ; Blanf. Fuima Brit. Ind., Birds, iii. p. 148 (1895) ; 



S/iarjte, Hand-/, ii. p! 66 (1900). 



The eggs of Blyth's Wreathed Hornbill in the Collectiun measure 

 respectively : 2-^3 by 1-8 ; 2-25 by 1-75 ; 2-3 by 1-54. 



2. Meeawuddy,Teuasserim,27tliFeb. Ilume Coll. 



(C. T. Bin(iham). 

 1. Meeawuddy, 1st March (C. T.B.). Hume Cull. 



Rhytidoceros plicatus {Forst.). 



Rhytidoceros plicatus, Elliot, Mon. Bvcer. text to pi. xxxvii. (1878) ; 

 Grant, Cat. Birds B. M. xvii. p. 385 (1892) ; Sharpe, Hand-l. ii. 

 p. GO (1900). 



An egg of the Papuan Wreathed Hornbill measures 2 bj- 1-45, 



1. New Guinea. Old Collection. 



Genus PTILOL^MUS, Ojilvie Grant. 

 Ptilolaemus tickelli {Bhjth). 



Anorrliinus ticla-lli, FJliot, Mon. Bucer. text to pi. xliii. (1880) ; Oates, 



Birds Brit. Burnt, ii. p. 96 (1883) ; id. ed. Hume, Nests &■ Eqqs 



Ind. Birds, iii. p. 76 (1890). 

 Ptilolaemus tickelli, Grant, Cat. Birds B. M. xvii. p. 392 (1892); Blanf. 



Fauna Brit. Ind., Birds, iii. p. 151 (1895) ; Sharpe, Hand-l. ii. p. 67 



(1900). 



The eggs of Tickcll's Horubill appear to be always elliptical 

 in shape. They measure from 1-68 to 1-9 in length, and from 

 1-27 to 1-36 in breadth. 



1. ThouDgyin River, Tenasserim,23id Hume Coll. 



Feb."(C. T. Bingham). 

 5. Thoungyin River, 23rd Feb. Ilume Coll. 



(C f. B.). 

 9. Thoungvin River, 5th March Ilume Cull. 



(C. f. B.). 



2. Thoungyin River, oth April Ilume Coll. 



{C.T.B.). 



Genus OCYCEROS, Hume. 



Ocyceros birostris {Scop.\ 

 Meniceros bicornis. Home, P. Z. S. 1869, p. 241. 

 Lophoceros birostris, Elliot, Mon. Bucer. text to pi. xlviii. (1878) ; 



Blanf. Fauna Brit. Ind., Birds, iii. p. 1.55 (1895). 

 Ocyceros birostris, Oates ed. Hume, Nests ^- Eqgs Ind. Birds, iii p 74 



(1890) : Grant, Cat. Birds B. M. xvii. p. 394 (1892) ; Hhurpe, 



Hand-l. Vi. p. 07 (lOOOj. 



