H. S. Stannus 
7 
Microphthalmos was once seen associated with colobonia of the iris and choroid 
(see below). 
Colobonia. This defect was met with in two brothers aged about 18 and 17 
years, but neither parent nor, as far as 1 could ascertain, any other member of the 
family was similarly affected. Bwanali the elder presented a colobonia of the iris 
and choroid of tlie left eye ; there was also a small opacity on the posterior surface 
of the lens, which however could not be traced more deeply but wliich suggested a 
remnant of an " arteria centralis." 
Fig. 3. Epicanthus. 
The right cornea shewed some superficial opacities, the iris appeared normal, 
but examination of the fundus revealed a large white triangular area with the 
apex near the disc with here and there small masses of pigment. The middle 
portion of the white area was on a much deeper plane than the rest of the fundus, 
forming a posterior staphyloma, the whole composing a kind of posterior coloboma 
(Fig. 4). 
Eight eye. Left eye. 
Fig. 4. Bwanali Coloboma. 
This boy also had an accessory nipple. 
The younger brother Pete presented on the right side a microphthalmic eye 
with coloboma of iris and choroid resembling the condition in his brother, with an 
