PARKER: OPTIC CIIIASMA IN TELEOSTS. 241 



Williams, S. R. 



:02. Cbanges accompanying the Migration of the Eye and Observations on 

 the Traetus Opticus and Tectum Opticum in Pseudopleuronectes ameri- 

 canus. Bull. Mus. Comp. Zool. Harvard Coll., Vol. 40, No. 1, pp. 1- 

 57, 4 pi. 



Yerkes, R. M. 



:01. A Study of Variation in the Fiddler Crab Gelasimus pugdator Latr. 

 Proceed. Amer. Acad. Arts and Sci., Vol. 36, pp. 417-442. 



