388 PROF. HUXLEY ON THE STOMACH [Apr. 11, 
Desmodus rufus. 
The thoracic and abdominal cavities are laid open; and the alimentary canal is 
unravelled and displayed throughout its whole length. From a preparation 
in the Museum of the Royal College of Surgeons. @. The cesophagus. Ca. 
The commencement of the cardiac sac of the stomach. Cd. The blind end 
of that sac. Py. The short pyloric division of the stomach. Sp. The spleen. 
L. The liver, with, x, the point at which the bile-duct opens into the ali- 
mentary canal. J, J, J. The intestine. The parts are represented of the na- 
tural size. 
It does not quite clearly appear whether by “ blood-sucking Bats” 
Mr. Waterhouse denotes the Desmodi only, or whether he includes 
the blood-sucking Phyllostomes with them. On the former suppo- 
sition I am disposed not only to agree with Mr. Waterhouse, but even 
to go so much further as to regard the Desmodine genera, Desmodus 
and Diphylla, as constituting, under the title of HaMATOPHILINA, 
one of the three primary divisions of the Cheiroptera, the other two 
being the Frueivora and the INsEcTIVORA. 
In the Fruervora the nose and ears present no unusual modifi- 
cation. With the exception of Hypoderma and Notopteris, the index 
digit is provided with a nail. The upper incisor teeth are of mode- 
