Thin dermal fold, from posterior corner of eye above tympanum to insertion of fore limb, covering upper edge of tympanum; tympanum nearly round, its diameter equal to its distance from eye.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
A moderately heavy dermal fold from posterior corner of eye above tympanum to point above insertion of forelimb, covering upper edge of tympanum; tympanum round, its diameter equal to its distance from eye.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
Diogenes of the tub practised self-mortification until his dermal and spiritual callousness were alike impervious.
"The Approach to Philosophy"
Ralph Barton Perry