HOLOTRICHA 



571 



Fig. 259. a, Ophiurespira weilli; h, Photorophrya insidiosa, a troph- 

 ont in a phoront of Gymnoidioides, X800; c, Vampyrophrya 

 pelagica, a trophont, X740; d, Pericaryon cesticola, a trophont (All, 

 Chatton and Lwoff). 



C. minkiewiczi C. et L. (Fig. 260, 6). Phoronts attached to in- 

 tegument of Harpacticus gracilis (copepod); trophonts in its 

 fresh carcass; tomonts and tomites in water. 



Genus Vampyrophrya Chatton et Lwoff. Trophonts ovoid; 10 

 ciliary rows, of which striae 3-8 are uninterrupted. One species. 



V. pelagica C. et L. (Fig. 259, c; 260, c). Phoronts on Paracala- 

 nus parvus, Clausocalanus furcatus, etc., and trophonts in their 

 fresh carcasses. 



