148 



PARASITOLOGY. 



Fig. 



Fig. 



56_Uncinaria Canina, natural size. 



a, Male. 



b, Female. 



57-Caudal extremity of the male, magnified 350 diameters, 



a, Spiculae. 



b, Ribs of caudal pouch. 



c, Web of caudal pouch. 



d, Posterior part of body. 



