Erratum 
In the October 1953 issue (VoL VII, No. 
4) there is a serious error. On page 508, Figure 
Ad is transposed from Figure 1 on page 449. 
Figure 1 of the paper, ”A Discussion of the 
Trematode Genus Schistorchis (Family Lepo- 
creadiidae) with Descriptions of Two New 
Species from Hawaii,” by Mary Louise Han- 
son, is printed correctly below. 
L 
