

-^^ 



JSxca(/aiio/i "M" 



_,. Sc-ale of Jtilsn 



i;j /'s /^o scale, of 



JV-. ,-^ , seciion GS ^io3 



,^^4-'' JIIx Q-Civ ai to7t s Of f"^y^ 



5L^««/<, 



^-^-9^-'-Y.-5. 



\j*\ C-inc-tn-dvCbit 







^Pcc-iet 



JExcctvoction J 



3ejoy6. 2o - /A?^. 





A'^Z. 



CO: 



■>H 



x.:.-^ PLAN ^ 



^ulfmlTto'h'heti IT-isAer . ^ ^ „ ^ 

 / (t-inan nat-c OHo.n 

 ".""'rcT.'>'J|l""iiii)\Hll."f"-"'"'- -"'*"""*•""""--'" •""■■■■"iin" iii.,....»ii/i.,...- ^ 



Fig. 125 — Plans of Woodchuck burrows. 



Reproduced from W. H. Fisher's paper in Journal of Cincinnati Society of Natural History 

 1893. H was the most complex, I the simplest one found. 



422 



