550 



creased desire for food, they grew tliin, dull and list 

 less, and leaving, witli niltled fealliers ;iiid drooping; 

 wings, tlie rest of the flock, soon died. 



In order that an interest involving auuually in I'eiui 

 sylvania abuul .sJi'.iHHt.lKMl stial! be fully dealt with 

 in a piiblieation which the Ivegislature has directed 

 should be prepared to meet the great donuuid which 

 comes especially from farmers for sucli a documeni, 

 it has been deemed advisable to reproduce in this 

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

 Stiles, entitled 



"A RKPOKT I'POX THK lM{i:.Si:N'r K.NKW] j:i )i ; !■: mK thk 

 TAPEWORMS OF POULTRT." 



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 with 

 especial care, from sia-cimens in tlie National Grovern- 

 ment lluseiim, by Mr. ^^'m. S. D. Haines, an artist of 

 rare ability. 



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

 five report which to date has ever been printed in 

 the English language on the Tapeworms, will no doubt, 

 notwithstanding its technical cliaracter, be of great 

 service to poulti'y raisers of Pennsylvania, as, by its 

 teaching, they can learn that which will enable them 

 to recognize and guard against outbreaks cf disease 

 from parasitic enemies, which have only lately been 

 investigated by specialists in this country. 



Ta]H \\ orms. as well as numerous other internal 

 parasites, infest wild birds. The abdominal-thoracic 

 cavity of tlie common Meadowlark is frequently the 



