104 



DR. C. L. BOULENGER ON 



just described, but, except for this and the proportions of 

 length to breadth, they resemble the adults in everj^ respect. 

 Neither cirri nor suckers are better developed than in the latter, 

 and, as a matter of fact, I could not trace any suckers at all in 

 one of these young specimens. 



Text-fig. 23. 

 M 



5 -, 



Myzostoma crosslandi, sp. n. — Anterior part of tho body; sketch made from 

 a specimen cleared in cedarwood oil. 



M. Mouth. P. Male papilla. S. Vestigial sucker. 



No complete account of the anatomy of any of the large 

 elongated Myzostomids has yet been published, I therefore used 

 one of the larger specimens of M. crosslandi for the preparation 

 of sections ; when merely cleared in cedarwood oil they showed 

 little more than just the peripheral parts of the alimentary canal. 



