1913. 



NATURAL SCIENCES OF PHILADELPHIA. 



127 



General Parasitological Table I. 

 Showing Infestation by All Parasites by Years. 



Nema- 

 todes. 



Acantho- 

 cephalus. 



Ces- Trema- Unclas- I rp , , 

 todes. todes. ! sified. ^°*^'- 



1901-1904: 

 Mammalia.. 



Reptilia 



Aves 



Total 



1905: 

 Mammalia.. 



Reptilia 



Aves 



Total 



1906: 

 Mammalia.. 



Reptilia 



Aves 



Total 



1907: 

 Mammalia.. 



Reptilia 



Aves 



Total 



1908: 

 Mammalia.. 



Reptilia 



Aves 



Total 



1909: 

 Mammalia.. 



Reptilia 



Aves 



Total 



1910: 

 Mammalia.. 



Reptilia 



Aves 



Total 



1911: 

 Mammalia... 



Reptilia 



Aves 



Total 



1912: 

 Mammalia... 



Reptilia 



Aves 



Total 



11 

 2 

 9 



— 22 



12 



1 

 21 



— .34 



4 



3 



26 



3.3 



34 



39 



14 



— 32 



12 

 2 



.50 



— 64 



37 



301 



12 



10 



23 



93 



— 2 



12 



9 1 



-15 — 1 



23 



52 



42 



46 



46 



47 



■ 57 



81 



53 



3a 435 



1 The years referred to are tte fiscal years of the Gardens ending March 1, 

 except the last— 1912— which we have made to end on January 1, 1913. 



