GANOIEDES ANASPIDIS (nOV. GEN., NOV. SP.). 173 



Syncaridan Crustacea should be searched for allied parasites, 

 whose structure would at once give us new standpoints from 

 whence to view the problem. 



Literature referred to. 



1. Awerinzew. — " Studien iiber parasitisclie Protozoen : I. Ceratomyxa 



Drepanopsettae," ' Arch. f. Protistenkiinde,' vol. 14, 1909, p. 74. 



2. Leger and Dnboscq. — " L'Evolntion schizogonique de Aggregata 



eberthi," ' Arch. f. Protistenkunde,' vol. 12, 1908, p. 44. 



3. Minchin. — Article " Sporozoa," in Lankester's ' Treatise on Zoology,' 



Pai-t I, 2nd fascicle, 1903. 



4. Siedlecki. — " Ueber die geschlechtliche Yermehrung der Mono- 



cystis ascidiae, R. Lank.," ' Bull. Internat. Acad. Sci. Cracovie,' 

 Dec, 1899. 



5. Smith.— "On the Anaspidacea, Living and Fossil," 'Quart. Joum. 



Micr. Scl.,' vol. 53, 1909, p. 489. 



6. Woodcock. — ''The Life-cycle of ' Cystobia ' irregularis, Minch., 



together with oljservations on other 'Neogamous' Gregarines," 

 ' Quart. Journ. Micr. Sci.,' vol. 50, 1906, p. 1. 



EXPLANATION OF PLATE 11, 



Illustrating Mr. Julian Huxley's paper "On Ganymedes 

 anaspidis (nov. gen., nov. sp.)." 



Reference Letters for the Figures. 



b. Ball-cavity, c. s. Cuticular striae, ect. Ectoplasm (probable myo- 

 cyte layer), p. Cytoplasmic pad at anterior end of ball. s. t. Secreting 

 tissue. V. Yacuoles. iv. Secreted fluid that accumulates to drive the 

 ball out. 



Bor.-car. Borax carmine. Paracarm. Paracarmine. Heem. Hsema- 

 toxylin. M. B. E. Methyl-blue eosin (Mann's method). 



