NO. 5 INTERMEDIATE HOSTS OF ASIATIC BLOOD FLUKE BARTSCH 49 



S 6 7 



smooth eroded 



To these, lo additional measurements from the same lot may be 

 added, as follows : 



This sending is the nearest to the type locality of Oncomelania 

 schmackeri, which von Mollendorfif says was established by Schmacker 

 in the environs of Shanghai. 



We have a number of other lots from adjacent territory which 

 yield interesting tabular measurements. 



U.S.N.M. no. 426226 contains 33 specimens collected by Dr. 

 Mary N. Andrews at Henli (Hsin Yang-Kang), Chekiang Province, 

 China. Ten of these yield the following measurements : 



