VISIBLE AND INVISIBLE CHARACTERS IN SILKWORMS. 



145 





Oh Oh 



Proc. Zool. Soc— 1918, No. X. 











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,^S 





-5 R-. .*i 





>— ] ^ ^ ?Si 

 <M r? C^I 





o , 

 fcOffl'S 



s ' ** 

 s 



3 a> 

 O i- 



5 A^ 



o - 

 be 3 *5 



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bis . 

 b & ^ 



-* 





00 S 



^ 5^ 



ft 05 



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b^ 



10 



