GROUSE DISEASE 219 



bages, the grouse would be about six or seven 

 times the size of " Chantecler " at the Porte St. 

 Martin. 



Creeping and wriggling up the stem and over 

 the leaves and gradually yet surely making their 

 way towards the flowers would be seen hundreds 

 and thousands of silvery-white worms about the 

 size of young earthworms. Lying on the leaves 

 and on the plant generally would be seen thou- 

 sands of spherical bodies the size of grains of 

 wheat, the cysts of the Coccidium, and on the 

 ground and on the plants as large as split-peas 

 would be seen the tape-worm eggs patiently 

 awaiting the advent of their second host. It is 

 perhaps a picture which will not appeal to all, 

 but yet it represents what unseen and unsuspected 

 is always going on on a grouse moor. 



Two other points remain, the seasonal char- 

 acter of the disease, and whether any means 

 can be suggested to check either Coccidiosis or 

 Strongylosis, or both. 



" Grouse disease " is always said to be at its 

 worst in the spring months, to decline during 

 the summer, and to recrudesce in a milder form 

 in the autumn. Coccidiosis undoubtedly is a 

 spring disease ; it attacks the chicks, and if they 



