60 



does not terminate fatallv for a number of weeks or 

 l)erbaps not at all. In other cases, death results very 

 quickly. The ternciDation depends upon the strength 

 of the fowl and the number and variety of the worms. 

 If the worms are present in sufficient numbers to eo- 

 tire occlude the intestine, death is i)roduced very 

 quickly. 



Another species of round worm, Heterakis maculose, 

 has occasiored great loss amo-ng birds. This worm is 

 white, cylindrical and 

 pointed at each end; the 

 male is about an inch 

 long and the female one 

 and a quarter inches. 

 Sometimes several hun- 

 dren of them are found 

 in the intestine of a sin- 

 gle pigeon. 



Birds with round 

 worms may be treated 



by administering the common pi u; worm, a, male ; B, female. 



remedy reoommeided by Baronio, consisting of equal 

 parts of the root of male shield fern, tansy and savory, 

 of whicli mixture one drachm is made into a tea with 

 six ounces of water and this fluid is mixed with suffi- 

 cient flour to form pills and these are administered to 

 the infested fowls. Or, the powdered areca nut may 

 be given in doses of from thirty to forty grains for 

 chickens and fifteen grains for pigeons. 



The prevention of disease resulting from the pres- 

 ence of the round worms may be accomi)lished by en- 

 forcing the general regulations recommended above, 

 in connection with the discussion of tapeworms. The 

 frequent removal and the care of the maiiuie is very 

 ijnportanl. 



A Round Worm of the Pigeon. 

 Heterakis »iacw?o»a— Natural size. The 



