ACANTHODRILUS BÜTTIKOFERII. 107 



the 7 til , there is a large tufted glandular organ which receives 

 a branch from the dorsal vessel and is attached to the body- 

 wall and the pharynx by tendineous bands ; it is compo- 

 sed of a number of looplike coiled tubes , and corresponds 

 probably with similar tufted glands , found in the anterior 

 segments of several Megascole^v-sipecias. 



Finally the strong development of the mesenteries G to 

 9 may be mentioned; they are prolonged far backwards, 

 and fitting like cups one into the other , form a conti- 

 nuous covering of the alimentary canal on that point , like 

 in Aniens gigas Perr. ') and Perionyx MacLitoshii Bedd. ^) 



Hab. Liberia. 



Leyden Museum, January 1884. 



1) loc. cit. pi. I, fig. 13. 



2) loc. cit. p. 219. 



Notes from the Leyden ^luseum. Vol. VI. 



