Nach druck r erboten . 

 UehersetzinKjtsrecht vorbehalten. 



Echinostomum garzettae d. sp. 

 (Yoyage of Dr. W. Tolz.) 



By 

 W. 0. MacCalluiii, 



Assoc. Prof. of Piithology Johns Ho2)kms Univ. BiiUiiiiove. 

 With 1 figure in text. 



Wliile in Benakat (Lematang-ilir) Eesidenz Palembaiig- in No- 

 vember 1900 Dr. W. YoLz collected two specimens of a trematode 

 worm from tlie intestine of Garzdta nk/ripes Tem:m. which he pre- 

 served in formalin and on his return trip to Europe kindly presented 

 to nie for study. After comparing- tliem cai-efully one was cut into 

 serial sagittal sections and froni tlie study of tlie wliole worm and 

 of the serial sections tlie following details as to tlie anatomical 

 structure liave been made out. 



The worm is elongated measuring 10 mm in leiigth and 3 to 

 3.5 mm in width at its widest point a short distance behind the 

 ventral sucker. In the hardened condition it is ([uite tightly curved 

 ventrally on itself the dorsal surface being convex in both directions 

 while the ventral is concave and groovelike. This is largely due 

 to the fact that the central [»oition of the body is much thicker 

 than the marginal portions whicli also curvc ventrally in the con- 



Zoül. Jaliili. XX. Al)tli f. .Syst •"' 



