196 



D. DAVIDSON BLACK 



The eyeball protrudes from the orbital fossa and is somewhat 

 larger in its transverse than in its vertical diameter. The cornea 

 is 'dumb-beir in shape — the long axis of the dumb-bell, which 

 is slightly asymmetrical, being transverse. The condition of the 

 pupil could not be accurately determined on account of the 

 opacity of the cornea. The exposed superior surface of the bul- 

 bus is of dark brownish black color, due to the thinness of the 



Fig. 1 Photograph of the specimen 



sclera overlying the uveal pigment. The superior palpebrae are 

 represented by two thickened ridges sparsely beset with cilia 

 and separated from one another by a notch immediately below 

 the base of the overhanging proboscis. In either side a notch 

 representing the outer canthus limits these ridges laterally. The 

 inferior palpebrae are represented on either side by short blunt 

 tubercles bearing a few cilia and situated immediately below 



