Plate XIX. . 



IS 



DictyocyliiLdrus strap o GUS 17 . D. Howsei 8 13 .D.virgulUosal4 18 . 



D.pTimilu_sl9 &Iia.te XXI 1-4. 



eyLS AltLouJS dUL. et Hth- W- West , C i 



