PICART.'E. 



173 



Subclass C0RACIIF0R3IES. 



\_Cf. Scebohm, Classif. B. p. 10.] 



Order I. V1GA.V.IM. 



Suborder I. IIALC TONES. 



Family COLIID^. *. 



A. Palate desmognathous. 



B. Basipterygoid processes absent. 



C. Sternum with four notches on the posterior margin. 



D. All the toes directed forwards, the first prol);d)ly rever- 



sible. 



E. Hallux present, and connected with the jle.vor perforcms 



digitorum : the two plantar tendons blended. 



Ventral view of skull of Coliut cnpcnm (enlarged). Letters as before. 



F. Spinal feather-tract well defined on neck and not forked on 

 the back : no bare tracts on the breast. 



* Cf. Murie, Ibis, 1872, pp. 262-280, pi. x. ; Garr.id, P- /- S. 1876, 

 pp. 416-420; Forbes. Ibis, 1^81. p. 24. 



