. The structure and classification of birds . Fig. 128.—Left Foot of Bubo (aptek Beddakd). on 10. In St7-ix the catapophyses on C9 are distant. Photo-dilus is like Ketupa. To the sternuna, which is one-notched in Strix and two-notched in other owls, fiye ribs are attached. Dr. CoUES Key to N. American Bitds. STRIDES 251 has mentioned the existence among the Striges of a scapulaaccessoria. The coracoids are not in contact at their articu-lation with sternuni; the procoracoids are moderately large,,and the clavicle reaches both them and the scapula. If it were not for Pliotodilus, it might be po


. The structure and classification of birds . Fig. 128.—Left Foot of Bubo (aptek Beddakd). on 10. In St7-ix the catapophyses on C9 are distant. Photo-dilus is like Ketupa. To the sternuna, which is one-notched in Strix and two-notched in other owls, fiye ribs are attached. Dr. CoUES Key to N. American Bitds. STRIDES 251 has mentioned the existence among the Striges of a scapulaaccessoria. The coracoids are not in contact at their articu-lation with sternuni; the procoracoids are moderately large,,and the clavicle reaches both them and the scapula. If it were not for Pliotodilus, it might be possible todivide the Striges into two families, Strigidse and it is, it may perhaps be permissible to regard the order ascontaining but one family, but two sub-famiHes, viz. Strigina&.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898