264 General Notes. 
homologous with the “ balancers ” of the larve of salamanders of 
the type of Amblystoma and Triton. 
Thiele further shows that inasmuch as these structures are gland- 
ular with no muscular apparatus, that the terms “sucker” or 
“sucking disk” are misnomers as applied to these —_ A 
better term might be proposed for these structures in young ta d- 
poles, and i writer would suggest that they be called pide 
adhesive org 
The nih of these organs differ widely in different genera of Salientia 
and will afford a valuable means of identifying the larve. In 
Discoglossus pictus, the adhesive organ behind the mouth is hemi- 
spherical, with a V-shaped groove on its surface, the V opening 
forward. In Pelobates fuscus the adhesive organ is Y-shaped with 
a Y-shaped groove on its surface and the limbs of the whole organ 
extending forward to embrace the angles of the mouth. In Bufo 
vulgaris the organ is V-shaped, with a V-shaped .groove, and the 
limbs of the V come into contact with the angles of the mouth. 
In Bufo viridis the organ is cresent-shaped, not in contact with the 
mouth, but a little behind it, as in Discoglossus, and with a widely 
open V-shaped groove. In Rana esculenta and R. fusca there 
are two distinct oval adhesive organs on either side of the median 
line with traces of a V-shaped groove connecting them, and both 
are behind the mouth. In Rana agilis there are two separate ad- 
hesive organs, one on each side behind the mouth, and each has 
a slight depression on its posterior border. In ’ Hyla arborea 
there are two circular adhesive organs close to the angles of the — 
mouth at either side. In Bombinator igneus there are two oval ad- 
hesive organs behind the mouth, whicn are in close contact, an 
later on fuse into a single organ, both having an oval depression 
in the centre—J. A. R. 
PSYCHOLOGY. 
THE Copr-MontcomEery Discusston.— The Theism of Evolu- 
tion. «The following is offered as a synopsis of the leading opinions 
maintained by the writer in a series of articles furnished by him to 
The Open Court during 1887, in reply.to articles written by Dr. 
Edmund Bee LE: 
I. PRINCIPIA. 
1. In the universe there exist both mind and matter, subject and 
D. The evidence for the existence of mind is found in ern 
ness ; first, of ourselves, and, second, of other living beings, w ; 
motions, identical with those which we make under the influence y 
our own consciousness, convince us of their possession of it. 
