DERIIAPTERA (Continued) 



Chloroperlidae 

 Isoperla grammatica 



I. rivulorum 



Perlidae 



Acroneuria .jezoensis 



Perla abdoainalis 

 P. baetioa 



26 £ 



25 b 

 26om 



26e 



26s 



12,l4o(ll) XjXg-Oc? 



13o(D 



13o(ll) X-Oo 

 12,130(11) 



X 1 X 2 -0o 



Mat they & Arch. Jul. Elaus- 



Aubert'43,'4? Stift. Vererb. 18: 

 B.B. Pr. Belg. 81. 



Itoh '33 



Cyt. 4. 



Mat they '47, Rev. Suisse Z. 54. 

 Matthey & Arch. Jul . Klaus- 

 Aubert'43, '47 Stift. Vererb. 18: 

 B.B. Pr. Belg. 81. 



Matthey 'i*6, Arch. Jul. Klaus- 

 •47, Matthey Stift. Vererb. 21. 

 & Aubert'43,'47 22, 18: B.B. Pr. 

 Belg. 81. 



Nakahara'19 



J.M. 32. 



Mat they' 46, '47, Arch. Jul. Elaus- 

 Matthey & Stift. Vererb. 21, 

 Aubert'43,'47 22,18:B.B.Pr.Belg.8l, 



-106- 



