THE ANATOMY OF THE HUIA BIRD. 111 
the vomer is truncate in front abruptly, and cleft behind; the postero- 
external angles of the palatines are produced; the maxillo-palatines 
are slender, and approach towards but do not unite with one another, 
Fig. 1, Skull of Heteralocha gouldi, lateral view. 
Fig. 2. Skull of Heteralocha gouldi, inferior view. 
Fig. 3. Skull of Heteralocha gouldi, posterior view: d_f, digastric fossa. 
Fig. 4. Skull of Corvus frugilegus, posterior view: d.f, digastric fossa. 
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