3io 



CHAS. W. HARGITT. 



the error as possibly due to an examination of very young ten- 

 tacles, or to tentacles in a state of high contraction. 



Fig. 6. 



My own sections confirm the results of Gunther. In sections 

 of very small tentacles it is quite difficult to distinguish the lumen 

 of the tentacular axis. But in larger specimens this is quite easily 



. -i demonstrated, and it seems rather strange 



that two such capable observers should 

 have failed to recognize this feature. 

 Fig. 6 shows camera sketches of both 

 cross, and long sections of tentacles, and 

 Fig. 7 is a photograph of the terminal 

 portion of a tentacle made under the 

 microscope. 



In this connection I desire also to 



point out that in none of my specimens 



have I found the very marked papillated 



Fig. 7. Tentacle of Limno. aspect of the tentacles as represented by 



codium. both Lankester and Gunther {pp. at.), 



and later by Browne {jQuar. Jour.\Mic. Set., Vol. 50, Fig. 3, 



pi. 37). These papillae 'are'specialized organs bearing nemato- 



