72 Part III. — Twenty-eighth Annual Report 



EXPLANATION OF THE PLATES. 



PLATE VII. 



Callicotyle affinis, T. Scott. 

 Fig. 1. Underside of specimen to show posterior sucker, - - - x 17 



Octohothrium leptogaster, Leuckart. 



Fig. 2. Adult speciiiien, - - - - - - - x 5 



Fig. 3. Anterior end, ventral aspect, - - - - - x 20 



[en. , mouth : ph. , pharynx ; gp. , genital aperture ; vg. , vitelline gland. ) 



Fig. 4. Posterior end, ventral aspect, - - - - - x 30 



Fig. 5. Three of the eggs removed, - - - - - x 105 



Axine bellones, Abildgaard. 



Fig. 6. Adult specimen, ventral aspect, - - - - x 20 



Fig. 6(X. One of the posterior suckers, - - - - - x 140 



Fig. 7. Anterior end, ventral aspect {.s. , anterior Slickers), - - x 140 



I 

 PLATE VIII. 



Amphiptyches urna, Gr. and W. 



Fig. 1. Specimen seen from above, . - - - - x 4*5 



Fig. 2. Specimen seen from the side, - - - - - x 2'3 



Fig. 3. Another specimen, seen from above, - - - - x 2'3 



Fig. 4. A small (young ?) specimen, - - - • • x 2'3 



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