444 MR. F. E. BEDDARD ON THE [Mar. 15, 



the suprarenal body becarae fused into a single trunk pouring its 

 blood into the liver between the entrance of the dorsal parietal 

 portal and of the vena cava posterior. In this specimen, more- 

 over, the left posterior vertebral vein emerges from the parietes 

 som.e way in front of the gonad, and, running superficially, forms 

 an additional blood-supply to the suprarenal body. 



Tiliqua scincoides. 



Of this lizard I have dissected two individuals, both of them 

 males ; in only one was the venous system injected. The most 

 noteworthy chai-acter in the venous system of this lizard is the 

 great dispi'oportion between the i-ight and left vena renalis 

 revehens. As a rule there is an inequality in these vessels, the 

 right being larger than the left. In the present species (text-fig. 

 93, p. 445) the left is so small that it seems to be on the verge of 

 disappearance. I did not trace it in the injected specimen as 

 far as the kidney. The right vein lies to the right side of the 

 mesorectum, and the branch putting it into communication with 

 the left vein can be seen to perforate that membrane ; the branch 

 is large ; it is only after receiving the veins from the left gonad 

 that it dwindles and finally disappears. The right ve7ia renalis 

 revehens receives only one branch from the right testis. . 



The anterior abdominal vein arises on each side much as in 

 Iguana. There are, however, differences of detail. After the 

 origin of the ischiadic vein from two roots it divides into the 

 anterior abdominal and the vena renalis advehens ; the latter 

 reaches the kidney much more anterioily than in Iguana, and 

 instead of running over the kidney superficially it buries itself in 

 its substance well before reaching the inner border. The anterior 

 abdominal vein receives two intercostals and one parietal vein on 

 the outer side before becoming confluent with the posterior 

 vertebral, A long vein from the bladder and also branches 

 from the fat-bodies join the anterior abdominals before they 

 vinite to form the median trunk. At the point of junction a 

 median vessel from the under surface of the pelvis joins the 

 anterior abdominal ; this is composed of a branch from each leg 

 and a median backwardly-running branch. It is a curious fact 

 that these vessels show an asymmetry precisely similar to that 

 which I have observed in Varanus. In both lizards the vein to 

 the right leg joins the median trunk anteriorly to that point at 

 which the vein from the left leg joins it. 



Stiprarenal Portal veins. — In one individual there wei'e three of 

 these veins to each suprarenal body ; in another specimen (text- 

 fig. 93, p. 445) there were four on the right side and three on the 

 left. The veins lie between the intercostal arteries and follow the 

 ribs ; they emerge from the parietes at a gi'eater distance from the 

 middle line than the arteries which enter the j^arietes. 



Intestinal Portal veins. — The portal vein is made up of seven 

 afiluent veins. The first is the gastric ; next to this is a vessel 



