190 G. E, BODKIN AND L. D. CLEARE, JNR. — SOME ANIMAL PARASITES, ETC. 



ColpocepJialum dissimile, Piag. From Rostrhamus sociabilis, and also from the 

 Caraow {Aramus scolopaceus). 



Colpocephalam sp., near importunum, N. From a Chow {Butorides striaia) and 

 Bhie Heron. 



Colpocephalnm maculatum, Piag. From the Brown Caracara Hawk {Polyborus 

 cheriway), Herpetothcres cachinnans, Rostrhamus sociabilis, and the Gory-headed 

 Kiskadee or Tyrant Bird {Tyrannus melancholic us). 



Colpocephalam phaeostomum, N. From Pavo cristatus in the Botanic Gardens,. 

 Georgetown. 



Colpocephalam sp. From Pavo cristatus. 



Colpocephalam, N. From Columba domestica. 



Family Physostomidae. 



Physostomum angulatum, Kell. From Tyrannus mdancholicus. 

 Physostomum sp. From Polyborus cheriway. 



Family Laemobothriidae. 



Laemobothrium opisthocomi, Cummings. From Hoatzin {Opisthocomus cris'.atus). 

 Laemobothrium sp. From Caraow {Aramus scolopaceus). These birds are always, 

 heavily infested with this species. 



Family Gyropidae. 



Gyropus ovalis, N. From guineapigs {Cavia porcellus). 

 Gliricola gracilis, N. From guineapigs. 



