674 



W. G. MacCallum, 



They are about 3 mm in leiigth and 1,5 mm in breadtli at tlie 



widest part and of a yellowish-brown color as they lie in the 



formalin Solution. The posterior sucker, as may be seen in the 



Sketch, is the most conspicuous featuie, being- especially large and 



..-Exl 



Fig. A. 



CladorcMs patujasü n. sp. Ventral surface. A buccal poucli. Go genital cloaca. 



Exk excretory canal witli pigmented walls. H testes. Lc Laurer's canal. 



Oo ovarv. Exo excretory orifice. 



