C. J. Bond 129 



EXPLANATION OF PLATES. 



PLATE VI. 



"Wall eye" in an Orkney rabbit of Dutch colour pattern. Note absence of anterior 

 pigment in the upper half of the left iris and the apper and anterior portions of 

 the right iris. 



Fig. 1. Left eye. 



Fig. 2. Right eye. 



PLATE VM. 



Heterochromic Pigeon. Fig. 1, Left bull eye. 



Fig. 2. Bight orange eye with a gap in the orange pigment (colour coloboma) in the 

 lower half of the iris. 



Fig. 3. Adult frog shows gap in anterior pigment of iris (colour coloboma) in downward 

 vertical direction in the lower half of the iris. 



PLATE Vm. • 



Fig. 1. Nine children, the ofifspring of an English woman (wavy hair) and a West African 

 Negro (corkscrew hair). The two youngest (marked x ) show differentiation of hair 

 pattern with wavy hair on the vertex. 



PLATE IX. 



Fig. 1. L. M. Boy aet. 4, shows wavy European hair pattern on vertex, corkscrew pattern 



on sides. 



Fig. 2. Girl aet. 6, shows corkscrew negro hair pattern all over scalp. 



