OOKINESIS IN CEREBRATUIA'S I.AfTEUS. 



NAonici'; YATsn. 



PLATE III. 





41 



42 



.■>-■' 



4 7 48 49 50 '' ^^ 



52 



53 



The Journal of MoiiPHOLOGY. — Vol. XX, No. 3 



