GENETIC TYPE AND THE ENDOCRINES 



463 



Boston terrier-dachshund cross. Differences in pituitary and thyroid structure in two 

 strongly contrasted second generation hybrids, together with pituitary histological pattern in 

 two second generation hybrids of intermediate type. 



1 1523 J pituitary. 3 1523 <? thyroid. 5 294 $ pituitary. 



2 355 5 pituitary. 4 355 $ thyroid. 6 722 <$ pituitary. 



