HOLOTRICHA 



633 



G. calkinsi Chatton and Lwoff. Phoronts on gills and trophonts 

 in the moult of Palaemonetes sp. ; Woods Hole. 



Genus Phoretrophrya Chatton and Lwoff. Trophonts generally 

 with 9 ciliary rows; striae 1, 2, and 3, close to one another. One spe- 

 cies. 



Fig. 298, a, Ophiurespha weilli; b, Photorophrya insidiosa, a trophont in 

 a phoront of Gymnodinioides, X800; c, Vampyrophrya pelagica, a trophont, 

 X740; d, Pericaryon cesticola, a trophont (Chatton and Lwoff). 



P. nehaliae C. and L. (Fig. 297, c). Phoronts and tomonts on ap- 

 pendages, and trophonts in the moult, of Nebalia geoffroyi. 



Genus Synophrya Chatton and Lwoff. Trophonts and tomonts 



