384 



ENTOZOA. 



placing tlie alimentary outlet on one side and a little above it. 

 Bastian, however, if his demonstrations are correct, proves us all 

 to be somewhat in the wrong. According to Bastian, " the intes- 

 tinal tube is about ^" in length, and appears to consist of a sim- 

 ple canal of varying calibre, pursuing a nearly straight course, 



Fig. 80.— Three representations of the fully developed embryo of Dracunculus, showing the 

 so-called "lateral sacculi," and, more particularly, the mode in which the intestine terminates 

 (x 500 (liiim ) — Bastian. 



and terminating coecally at about the middle, in length, of the 

 worm." He, like Robin, recognized distinct oesophageal and 

 stomachal divisions, and in a few examples Bastian observed the 



