No. 489] 



SILK ^/„l .\7>, 



ture in the larvae of Ji<>ml>i/.r 

 stating that the prochiciii*;- pi 

 fine resistent cuticiila, in wli 

 various' thicknesses, unit(Ml to 

 or oblique trabeculae. He (h 

 are closed by a structureless 1 



As the larvae feed and un 

 and fourth days, eoin?nenees 



dular tubes become more and 

 of emergence of the parasite fn 

 fill and greatly distend the peri 

 brought out in the longitudinal 

 respectively, PI. 1 , figs. 2 and 4, 



Along witii the great inerea 

 goes a corresponding inereas 

 become larger, but their radial 

 gradually becomes distended 

 at the time of the sj)iiniing of th 



PI. 2, figs. 7 and S. 



very thin hner 

 the enormous i. 

 short larval life, 

 tmlinal sections. 



cat is thi,^ 



practically the whole body eav 



