286 



MR. H. A. BAYLIS AND LT.-COL. CLAYTON LANE ON 



The oesophagus is thus very short as compared with that of 

 E. uncinatus and E. spinosissimus . Tlie iieckpapillfe are 

 prominent. 



Text-fimire 33. 



./>. 





Echinoceplialus midtidentatus. Head and oesophageal region ; lateral view. (The 

 Triangular opening in the head-bulb is due to an artificial splitting of the 

 cuticle.) 



Of the eight pairs of caudal papillae in the male (PI. VI. 

 figs. 26, 27), the first, as usual, is lateral, while the rest are more 

 ventral in position. Pairs 1 to 5 appear to be postanal, 6 to 8 



