LAllllABEE. — TUE OPTIC CIIIASMA OF TELEOSTS. 



223 



combinations as possible. The following table (IV) gives the crosses 

 together with the percentage of rights resulting from each : 



TABLE IV. 



An examination of this table makes it evident that no prepotency is 

 found in any individual or in either sex. 



TABLE V. 



Results of Selected Matings in the Brook Trout 



{Salvelinus Jontincilis Mitcliill). 



Second Generation. 



