Proc. R. I. Acad., Vol. XXXIV, Sect. B. 



Plate XIH. 



p 



1 



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p '***- * 





IhuI ' ^nlr .^ 



1 



21 



22 



Carpenter and Pollard— Latkral Spiraci es ujd fn vcheal Tubes oh thb Larva "b Ih poderxia. 



