OBSERVATIONS

THE ANATOMY OF THE TOUCAN

 

Tue organs of digestion in the Toucan pre
geographical position and powel
Nature in a tropical climate.

correspond to the magnitude of the beak.
encroached upon by its muscular parietes as to render such
The intestinal canal is equally devoid of lateral |
are disposed, for the extent of an inch, around the termination of the esophagus.
readily permits regurgit

simard with the proventriculus is free, and
(Ramphastos Erythrorhynchus and Ramph. Ariel, Vigors

observed in two living species of Toucan
the substances so regurgitated were, after undergoing a second mastication, again SW
rbivorous quadrupeds.

compared to the rumination of he
neth of the body, including the bill.

The intestinal canal does not exceed the le
agrees with that of the Toucan.

of unequal size, joined by
There is no gall-bladder, and in
mong the Scansores ;
s biliary receptacle. !
lines in diameter, passes to

of the digestive apparatus of the Hornbill

The liver of the Toucan is composed of two lobes,
the lobes being more rounded than usual.
manifests an affinity to the Pred@ and Psittacide, a
large development of it
a second duct, about two
ie insertion of the
le one is the smalles
Between the

resembles the Corvide in the
duodenum near its commencement ; and
s close to tl
lobes, of which the midd
legree than in reptiles.
Ariel, was situated the ovary, of
les, and disposed in a convo

ee mestine, where it terminate two pancreatic ducts.

The kidneys are composed of three

their surface is convoluted, though ‘na less marked ¢
of these glands, in a female specimen of Ramphastos

The ova were like minute granu

led in the posterior part of the ovary.

fimbriated and wide aperture, was slig

apparently healthy in structure.
The supra-renal glands were imbed¢

a crow-quill ; it commenced by the usual
ht to the cloaca.

h birds present, that of the
ll-grown Ramphastos Toco, W
1 finely notched ; it was situatet

ly papill

Toucan 1s one

commencement, and then continued straig
as six inches.

Among the varied forms of tongue whic
rture of the glotts, in a fu
was broad ant
and minute
2 orga cous

Its length from the ape
ridge, or backward-projecting process,
glottis. Anterior to this process the tongue

most probably, the sense of taste resides :

ose for the exte

is soft
ists of a transpare

the rest of the

 

 

 
 
 
  
 
 
  
  
 
 
  
 
  
  
 
 
 
 
 
 
 
   
 
  
  
 
  
  
 
  
 
 
  
     
  
   
    
 
  
 
  
 
  
  
    
  
  

| an J a general simplicity of structure, which accords with its
a assimilating both animal and vegetable food, so abundantly pte a
The amplitude of the cesophagus and general width of the areca cate
There is no lateral dilatation or crop, nor is the gizzard so
a reservoir for the alimentary substances necessary.
souches, or ceca: the gastric glands are of a simple form, anid
The communication of the

ation to take place. This act has been
allowed, it may be
The general structure

a small band, the margins of
this deficiency the Toucan
while the Hornbill, on the contrary,
\ small hepatic duct enters the
a more distant

t; their length is 1+ inch ;
anterior extremities

a triangular shape, and

The oviduct was as
jitly tortuous at the

of the most remar
| about 4 lines from the

nt of 4 lines, and here,
nt horny lamina,