2 
ai.len’s naturalist’s library. 
representatives of this Section that we have to deal in the 
present volume. 
Wpl.p 
—swhoniitm> 
Fig I -ventral aspect of skull of Kook to show the mgithognathous 
pave and bony siphonium : » vomer; mfil.-f. max.llo-palaune pro- 
cess //Palatine pq. pterygoid ; q. quadrate ; b.s. basi-sphenwd 
Tr .’sphenoidal rostrum. (From the Catalogue of Os eologtcal 
Specimens in the Museum of the Royal College ot Surgeons.) 
SINGING BIRDS. SECTION A.-OSCINES. 
THE CROWS. FAMILY CORVIDH2. 
Among the members of this family will be found some of 
the most perfect, if one may use such an expression, of all th 
Passeriformes. The structure of a Raven or a Crow preten 
