482 MR. F. E. BEDDARD ON THE [ Nov. 28, 
the fully developed left lung (the only lung, as Mr. G. W. Butler 
has correctly asserted, which exists in Amphisbena). The pulmo- 
hepatic ligament in question is attached to the outer border of 
the lung, where it is first visible (text-fig. 66, B) at some little 
distance from the commencement of the lung, but at a greater 
distance from the termination posteriorly of that viscus. It is 
seen to be covered by the umbilical ligament when the reptile 
is dissected so as to leave the umbilical ligament on the left side ; 
it is furthermore attached at first to that ligament, and has 
therefore a common attachment with it to the liver. Further 
forward (text-fig. 66, C) the course of the attachment of the 
pulmo-hepatic ligament gradually moves over the lung obliquely 
until it comes to lie upon its imner border, 7. e. that nearest to 
the liver, or rather by this time the vena cava, for the liver- 
substance ends anteriorly a good way behind the heart. At the 
same time the umbilical ligament moves obliquely in the line 
of its attachment in the opposite direction, so that ultimately 
(text-fig. 66, A) the inner edge of the lung is tied to the 
opposite edge of the vena cava by a short mesentery which is 
formed by the fused pulmo-hepatic and umbilical ligaments, 
while the inner edge of the lung is attached to the median parietes 
by a ligament which is presumably umbilical ligament only. 
These relations will be understood by an inspection of the 
accompanying figures (text-fig. 66), which represent a series of 
diagrammatic transverse sections through the region of the liver 
and lung which are dealt with here. ‘These attachments between 
the liver and lung are not peculiar to Amphisbena, as I believe ; 
but they are specialiy obvious in that Lizard on account of the 
elongation of the organs concerned. The only other ligament in 
this region of the body which remains to be noticed is the pulmo- 
gastric, which attaches the lung to the stomach. It extends 
along the whole lung, and is continued beyond it as a fold upon 
the stomach, extending back as far as the spleen. 
Amphisbena agrees with other Lizards in the possession of a 
parieto-hepatic system of veins, which seem, however, to be limited 
to the dorsal body-wall. I could at least observe no such veins 
in the umbilical ligament belonging to the ventral epigastric 
system. Of the former there are, as Mr. G. W. Butler has 
correctly pointed out *, five veins distributed along the course of 
the liver, and not limited, as they so often are, to the right lobe 
where it is free from the left. These veins (text-fig. 67) are large 
and for the most part bifurcate with a long course between the 
point of evergence from the body-wall and of entrance into the 
liver. They run, of course, in the right hepato-dorsal mesentery. 
The large number of these veins is not an important character, for 
in Scincus officinalis I find as many as six. It is their extension 
along the whole length of the liver which is worthy of note, and 
is a likeness to the conditions which obtain in the Ophidia. 
* P.Z.S. 1895, p. 699, footnote. 
