556 
EXPLANATION OF PLATE L 
x * Dibothnocephalus parvus, n. sp. Portion of strobila, actual 
size. 
^ ^ oroccphalus pattoni, n. sp. The Linguatulids in situ in the 
lung of Zatnenis mucosus. 
Fl S- 3- Porocephalus pattoni , n. sp. Actual size. 
