378 | Ward, The earliest record of Filaria loa. 3 
disclose so many changes that it is difficult to secure any clear 
© idea of their number and relation to each other. The learned 
LE 
= 
% #53 id 
Holland bibliographer, P. A. Thiele, librarian of the University 
of Leyden, published in 1867 an extended list of them with others 
