BIHANG TILL K. SV. VET.-AKAD. IIANDL. BAND 28. AFD. IV. N:0 8. 27 



whicli completely slints of from the wide lumen of the ven- 

 tricle the 3 cm. long pyloric tract (pt.) between the said 

 sphincter and the strongiy develojied pyloric valve which 

 measures abont 7 mm. in height and projects like a spont 

 into the small intestine (Fig. 10 pv). The strncture of the 

 nmcosa proves that the portion between the sphincter and 

 the valve belong to the ventricle and that the intestine does 

 not begin before beyond the valve. The mucosa of the small 

 intestine is laid into nnmerous somewhat wavy folds (Fig. 10) 

 which are to a certain extent irregnlarily arranged. Some- 

 tinies they rnn almost longitudinally, sometimes obliquely 

 and more or less transversally. In the latter case they con- 

 verge in a backward direction and towards the mesenteric side. 

 The length of the small intestine is a1)ont 530 mm. It is 

 limited from the large intestine by a valve which is best 

 developed on the mesenteric side where it measures about 5 

 mm. There is no coecum. The large intestine measures about 

 300 mm. in length. 



In a specimen of Varanus hengalensis I have found an 

 intermediate portion, 2 cm. in length, between the sphincter 

 and the pyloric valve in a similar manner as described above. 

 This latter species had the mucosa of its a little obliqnely 

 widened laro-e intestine laid into transverse ruffosities. 



Fam. Tejidse. 

 Tupiuambis teguixiii L. 



Distance from snout to vent 350 mm. 



The ventricle is long, especially its posterior part is very 

 muscular and recurved. The muscles cease, however, at a 

 distance of about 7 mm. from the pyloric valve so that in 

 this form as in some others there is a short thinwalled py- 

 loric tract defined from the main muscular part of the ven- 

 tricle (conf. Fig. 8 pt., Pl. II). It opens into a widened por- 

 tion of the small intestine. There is a very strong mesen- 

 teric band between the pyloric portion of the intestine and 

 the liver. The mucosa of the small intestine (Fig. 8, Pl. Il) 

 seems to have rather high and densely set transversal plicte ^ 



^ Meckel (1. c. 1817) speaks also about transversal folds in the small 

 intestine of various forms refered by him to the genus Tiqnnamhis. 



