BALiENICIPITIDES. 279 



Genus CANCHROMA. 

 Linnaeus, Syst. Xat. i. p. 233 (1766). 



Canchroma cochlearia. 



Canchroma coclilearia, Liimajus, t. c. p. 233 (1766) ; Sclater «& 

 Salvin, Xomencl. Av. Neotr. p. 126 (1873). 



The Boat-bill. 



Hah. Central America and Tropical South America. 



1325. Skeleton. 0. C. 1311. South Collection. 



1326. Skull. 0. C. 1312. From the British JlHseiim. 



Suborder II. BALyENlCIPITIDES* . 



[Cy. Sharpe, Review, p. 75.] 



A. Palate desmognathous. 



B. Basipterygoid processes absent. 



C. Mandible not produced beyond its articulation with i\w 



quadrate. 



D. Culmen grooved. 



E. Toes without basal membrane. 



F. Spinal bare tract reaching far up the neck. 



Geuus BAL.SNICEPS. 



Gould, Proc. Zool. Soc. 1851, p. 1, pi. xxxv. 



Balaeniceps rex. 



Balcmiceps rex; Gould, I. c. ; Sharpe, ed. Layard's B. S. Afr. 

 p. 727 (1884). 



The Whale-headed Stokk. 



Ilah. Africa. 



1327. Articulated skeleton. O. ('. 1312 a. Prepared from a 

 specimen brought by Mr. Petherick from the Upper Nile, 

 which died in the Zoological Gardens in 1 ^^6 1 . Purchased. 



* Cf. Parker, P. Z. S. 1800, p. 324 ; Reinh. t. c. p. 877 ; Bartlett, P. Z. S. 

 1801, p. 131 ; Parker, Trans. Z. S. iv. pp. 269-351, pis. 64-67 (1802) ; Stej- 

 neger, Stand. Nat. Hist. Birds, p. 172; Beddard, P. Z. S. 1888, pp. 284-290. 



