140 



MR W. P. PYCRAFT ON THE OSTEOLOGY [Feb. 20, 



Text-fig. 50. 



^7/?.r^ 



■ni^-P- 



/o. z 5 



_6/,. 



Ventral aspects of the skulls of: — a. Htjlactes megapodius. h. Vliilepitta Jala. 

 c. Pseudocolaptes boissineatdi. d. Dendrocolaptes picumnus. e. Batara 

 cinerea. f. Xiphorht/nchus trochilirostris. g. Dorsal aspect of skull of 

 Pseudocolaptes (c). 



rt.f.=concha vestibuli. h.p. = basipter3'goid process, c.p. = cerebellar prominence. 

 mx.p. = maxillo-palatine process, n. = nasal, u.pmx. = nasal process of pre- 

 maxilla. ^rt. = palatine. ^.)f. = pter.ygoid. ^.c.s. = processus zygomaticus 

 squamosi. q. = quadrate, no. — vomer. 



