298 BUCEROTIDvE. 



Genus RHYTIDOCEROS. 



450. Rhytidoceros plicatus, Shaw. Plicated Hornbill. (Fig. 41 .) 

 Hob. Sumatra and Malacca. 



a. Male. Purchased, March 18, 1870. Prom Sumatra. See 



P. Z. S. 1870, p. 220. 



b. Pemale. Purchased, March 18, 1870. Prom Malacca. 



See P. Z. S. 1870, p. 220. 



Genus Toccus. 



451. Toccus melanoleucus (Licht.) . Black-and-white Hornbill. 

 Hab. South Africa. 



a, b. Purchased, Nov. 27, 1868. See P. Z. S. 1868, p. 622. 

 Pig. 41. 



Rhytidoceros plicatus. ('Nature/ ii. p. 10.) 



