

THE LOOSE LEAF SYSTEM 

 OF LABORATORY NOTES 



n- 

 r- 



m 

 CD 



FOR GUIDANCE IN THE DISSECTION AND 



ELEMENTARY STUDY OF ANIMAL TYPES 



PREPARED BY 



THEO. H. SCHEFFER, A.M. 



Assistant Professor of Zoology, Kansas State Agricultural College 



SECOND EDITION, REVISED 



PHILADELPHIA 



P. BLAKISTON'S SON & CO. 



1012 WALNUT STREET 



1912 



