102 



APPENDIX F 



Oct. 10. (if)— Weight lU ozs. 



(P)_ Weight 16 „ 

 (S)— Weight 16 

 The droppings were again examined with no discovery of nematodes or cestodes. 

 Gave to (M) some centrifuged heather washings containing a large number 

 of active and quiescent larval nematodes. 



Gave to (P) some concentrated culture of larval Tiichostrongylus pergracilis, 

 taken from the dejecta of an infected Grouse, and recently prepared, not more 

 than three days before, from very active worms. 



Gave nothing to {S), which was to be kept as a control. 

 Oct. 12. — Examined caecal excreta of all and found nothing. 



(ili)— Weight 14| ozs. 

 (P)- Weight 16J „ 

 (^)_Weight I7i „ 

 All were fully infected with Coccidiosis, as the number of spores in the 

 dejecta clearly showed. 



Oct. 13. — Examined C8ecal excreta with no result. 



(if)— AVeight 15i ozs. 

 (P)_ Weight 16| „ 

 (/S)— Weight 16f „ 

 The following weights were taken with the hope that some los.s would 

 show itself as the infection became established. 



But no infection took place. Nevertheless, as a series of daily weights 

 showing daily variations, due presumably to food, they are not altogether 

 without interest, and are therefore given. 



