622 
DE. GUNTHEE ON THE ANATOMY OF HATTEEIA. 
very thin ; and at others the parenchyma is entirely interrupted, so that the peritoneal 
coverings of both sides are in immediate contact with each other. Several small lobes 
project from the dorsal surface ; and one larger, long, spindle-shaped lobe (about 1 inch 
long) adheres to the body of the liver by a thin style only. The right portion is extremely 
irregular in shape, with several projecting appendages, and considerably thicker (although, 
on the whole, not larger) than the left *. 
The gall-bladder is of the size of a currant-berry, and imbedded in the right lobe close 
to its transition into the left. The spleen and pancreas are very elongate and narrow. 
No trace of corpora adiposa. 
Heart. 
The hearts of two examples were examined ; but in both the substance had become so 
deteriorated that it was impossible to obtain a clear insight into their structure. The 
muscular part is extremely thick, the ventricular cavity being very small and apparently 
simple. The two atria are entirely separate, of nearly equal size. The aortse and arterise 
pulmonales are externally united into one stem ; and although there is only one ostium for 
the aortse, the truncus aortee is extremely short. 
Organs of Respiration. 
The larynx (tig. 16) is composed of a complete posterior cartilaginous ring and a pair 
of separate anterior cartilages. The ring is broadest laterally and narrowest anteriorly ; 
it has a slight protuberance (d) in the middle of its lateral posterior margin for the inser- 
tion of the M. dilatator glottidis (<?). The anterior cartilages are separated in front by a 
wide interspace and united posteriorly by a ligament ; they are produced to form the 
glottis, which, compared with Agamoid Lizards’, is very wide. Two muscles are attached 
to the larynx on each side : the M. dilatator glottidis covers the outer lateral surface, 
being extended from the margin of the glottis to the posterior tubercle, as mentioned 
above. The compressor glottidis lies within the glottis, and extends from its antero- 
interior margin transversely to the hyoid bone. 
The trachea (fig. 16) has none of the cartilaginous rings closed on the dorsal side ; and 
many reach only to the median line in front : they are very irregularly arranged, and soft 
and flexible like membrane. The two bronchi are very short, and terminate immediately 
behind their entrance into the lungs. The lungs of both sides are of nearly the same 
capacity, rather large ; they are simple bags with large cells in small number, more 
resembling the lung of a Batrachian than of a Lizard. 
TJropo'etic Organs. 
The kidneys are situated in the hindmost part of the abdominal cavity, viz. within the 
pelvis ; they are flat, entirely separate from each other, and the left is considerably larger 
and different in shape from the right. Each is incompletely divided into four or five 
lobes very irregular in form. The right is of an elongate-ovate shape, without any pro- 
* In a specimen kept for some time in captivity, the entire liver was shrank to the thinness of a membrane. 
