. Catalogue of the Birds in the British Museum. STRIGID^. 289 Family STRIGIDiE. GlaucinsB, Sundev. Av. Tent. p. Sternum of Strix flammea. Hinder margin of sternum entire, with no distinct clefts; furcula joined to keel of sternum; inner margin of middle claw serrated; inner and middle toes equal in length; between the anterior por- tion of the facial area a frontal patch of small stiff feathers always present and very broad. Key to the Genera. a. Tarsus about equal to twice length of middle toe (without claw); facial disk very perfect, the distance above the eye about equal to the same a
. Catalogue of the Birds in the British Museum. STRIGID^. 289 Family STRIGIDiE. GlaucinsB, Sundev. Av. Tent. p. Sternum of Strix flammea. Hinder margin of sternum entire, with no distinct clefts; furcula joined to keel of sternum; inner margin of middle claw serrated; inner and middle toes equal in length; between the anterior por- tion of the facial area a frontal patch of small stiff feathers always present and very broad. Key to the Genera. a. Tarsus about equal to twice length of middle toe (without claw); facial disk very perfect, the distance above the eye about equal to the same area below it; wings reaching far beyond tail 1. Sthix, p. 290. b. Tarsus about equal to twice length of middle toe (without claw); facial disk irregular, the ai-ea above the eye being not nearly equal to the area below the latter; wings about reach- ing to tip of tail 2. Phodilus, p. 390. VOL. II. V. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). Department of Zoology. [Birds]. London
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