16. The Adhesive Apparatus on the Toes of certain 
Geckos and Tree-frogs, 
By Sunprer Lat Hora, D.Sc., Officiating Superintendent, 
Zoclogical Survey of India. 
(Communicated with the permission of Director, Zoological Survey 
of India.) 
While recently engaged in the study of the adhesive 
apparatus of the fish and tadpoles of mountain torrents and 
the mechanism of adhesion of the cephalic disc of Echeneis 
attention and that various theories have been advanced to 
account for the property of adhesion possessed by them. 
With a view to study the validity of the various theories, 
I have made observations on living and freshly-killed Geckos. 
their adhesive pads has _ been 
prepared preparations in order to elucidate the same problem. 
The finger-dises of the tree-frogs have also been similatly 
examined and a note on their probable mechanism is given 
towards the end of this paper. 


!'W. J. Schmidt, Zool. Jahrb. Anat. Abt. Jena, XXXVI, pp. 377~ 
464, ple. xxxiii-xxxvi (1913). 
