I04 INHBRITANCB IN POULTRY. 



EXPLANATION OF PLATES. 



Pl<ATB I. 



Fig. I.— White Crested Black Polish, 9 5. One of the females crossed with the Single- 

 combed Black Minorca {cf. fig. 3) to produce the female hybrid shown in 

 fig. 5. (H.A. H.) 



Fig. 2. — White Crested Black Polish, (^ 30. To show the male type of the Polish race, 

 which, when crossed with the Minorca (fig. 4), produces male hybrids like 

 fig. 6. (H. A. H.) 



Fig.' 3. — Single Comb Black Minorca, 9 13- The mother of the hybrids, Minorca X Polish, 

 represented by fig. 5. 



Fig. 4. — Single Comb Black Minorca, (^ 12. The father of various Polish X Minorca 

 crosses, of which a male is represented in fig. 6. 



Fig. s. — First Hybrid between Polish and Minorca, pullet. Compare the females of the 

 parental races, figs, i and 3. 



Fig. 6. — First Hybrid between Polish and Minorca, cockerel. Compare the males of the 

 parental races, figs. 2 and 4. 



The fibres marked H. A. H. are from photographs made by Mr. H. A. Hackett. 



