92 
thickening of the dense su neous connective tissue 
ollowing is description of the microscopic 
appearances of the conjunctival lesions observed by Lewis and 
om a stu the earliest lesions examined, 
viz., those of Case I., the parasites appear to occur primarily 
in lymph spaces. Only odd parasites or portions (in section) 
are found apart from the necrotic material. e presence 0 
the parasites gives rise to small-celled infiltration as a tissue 
b 
with giant cells. The tissue between the areas is composed 
typical granulation tissue, with eosinophiles and proliferation 
characteristics have been determined. ; A 
: as been to separate the small necrotic eher! 
from the tissues of an early lesion. These have been soften 
alcohol By ently moving and pressing the cover-slip pla 
over the DEG Sá of crushed tissue, one ha ul x 
orcing the larva out of the canal it occ The larva 
ers broken 
Ive removed unbroken, but by piecing the bro 
portions together the main external characteristics have beet 
clearly defined. 
. As far as can be judged the larva is approximately 3 mm. 
to Th 
ations of the cuticle, but in section 
en. These longitudinal ridges 7? 
