AMEEICAN SPIDEES 



THEIR SPINNINGWORK. 



-0- 



A NATURAL HISTORY 



OF THE 



ORBWEAVING SPIDERS OF THE UNITED STATES 



WITH SPECIAL REGARD TO THEIR INDUSTRY AND HABITS. 



HENEY C: McOOOK, D. D., i y ? 7 - I °\ ^ \ 



Vice-Pkesident of the Academy of Natural Sciences of Philadelphia; 



Professor of Entomology in the Pennsylvania 



Horticultural Society. 



VOL. III. 



WITH DESCRIPTIONS OF ORBWEAVING SPECIES AND PLATES. 



PUBLISHED BY THE AUTHOR, 

 Academy op Natukai. Sciences op Philadelphia, 



A. D. 1893. 



• • 



