550 



creased desire for food, tliey grew thin, dull and list- 

 less, and leaving, with ruttled leathers and drooping 

 wings, tlie rest of the Hoek, soon died. 



In order that an interest involving annually in Penn 

 sylviinia about $22,()(M»,(M)(^ shall be fully dealt with 

 in a publication which the Legislature has directed 

 should be prepared to meet the great demand which 

 comes especially from farmers for sucli a document, 

 it has been deemed advisable to reproduce in this 

 chapter the carefully prepared paper of Dr. 0. W. 

 Stiles, entitled 



"A REPORT UPON THE PRESENT KNOWLEDGE OF THE 

 TAPEWORMS OF POULTRY." 



which was recently published as part of Bulletin No. 

 12 (Bureau of Animal Industry) of the United States 

 Department of Agriculture, Washington, D. C. The 

 handsome illustrations in this chapter, so true to 

 nature, have been prepared from drawings made witli 

 especial care, from s])ecimens in the National Grovern- 

 ment Museum, by Mr. Wm. S. D. Haines, an artist of 

 rare ability. 



This chapter, made up as it is of the most exhaus- 

 tive report which to date has ever been printed in 

 the English language on the Tapeworms, will no doubt, 

 notwithstanding its technical character, be of great 

 service to poultry raisers of Pennsylvania, as, by its 

 teaching, they can h-arn that which will enable them 

 to recognize and guard against outbreaks of disease 

 from parasitic enemies, which have only lately been 

 investigated by specialists in this country. 



Tapeworms, as well as numerous other internal 

 parasites, infest wild birds. Tlie abdominal-thoracic 

 cavity of the common Meadowlark is frequently the 



