591.15
Cas
S
Castle, William Ernest, 1867-
Studies of inheritance ln Guinea-pigs and
rats by W. E. Castle and Sewall Wright.
Washington, Carnegie lnstitution of Washington,
1916
iv, 192 p. gráficos, 7 láms. (3 color.)
tablas. 26 cm. (Carnegie lnstitution of Washington. 
Publication no. 241)