■ m w 9 *i 



x w INTRODUCTION. 



6. Casque large, compressed laterally, highest anteriorly . . VI. ANTHBACOCEEOS. 



a. Casque white, with black patch ; outer tail-feathers white. 



a'. Black on casque not extending to maxilla ... . 1. coronatus. 



V. Black on casque extending onto the maxilla .... 2. convexus. 



b. Casque white, with black patch; tail-feathers black, 



terminal third white. 



a 1 . Black on casque not extending to maxilla .... 3. malabaricus. 



b'. Black on casque extending onto the maxilla .... 4 frater cuius. 



c. Casque entirely white 5. malayanus. 



7. Casque high, keel-shaped, nearly half the length of bill, 



corrugated laterally . . VII. CBANOBBHINUS. 



a. Tail white for its entire length . .... . . . . 1. cassidix. 



b. Tail black for half its basal length, remainder chestnut . 2. corrugatus. 



c. Tail cinnamon ; base and apical portion greenish white . 3. waldeni. 



d. Tail white, with an apical black band . . 4 leucocephalus. 



8. Casque small, upright, compressed; bill grooved . . . VIII. PENELOPIDES. 



a. Tail dark brown ; bar of deep buff two thirds from base ; 



apical black band 1. manillce. 



b. Tail deep chestnut ; apical black band. Base of maxilla 



grooved perpendicularly 2. panini. 



c. Tail rufous, with a black band at base; tip blotched with 



black. Base of maxilla smooth . 3. affinis. 



9. Casque very large, extending over half the maxilla, flat 



in front, upright IX. CEBATOGYMNA. 



a. Tail, two central rectrices black, remainder white ... 1. elata. 



10. Casque extending nearly all over the maxilla, upper edge 



longest X. SPHAGOLOBUS. 



a. Tail dark green ; terminal third of rectrices, except two 



median ones, white 1. atratus. 



11. Casque extending over two thirds of the maxilla, narrowed, 



compressed anteriorly, tip at right angle to culmen . XI. LIMONOPHALUS. 



a. Tail pure white. Head crested l. montani. 



12. Casque longer than bill, pointed anteriorly, curved like 



maxill a . XII. BYCANISTES. 



a. Tail with median feathers black, rest tipped with white. 



a 1 . Base of mandible yellow; secondaries all black . . . 1. cristatm. 



V. Mandible all black ; secondaries tipped with white . 2. buccinator. 



b. Median rectrices black, lateral ones white, with broad 



transverse black band near base. 



a). Casque black and white 3. subquadratus. 



V. Casque wholly black 4. subcylindricus. 





