156 m^-^^m^ms i^m^t 



0. Isogenus (Isogenus) nikkoensis Okam. < o fc <^ ^ :^W:> tf ^ ^ }i ^ 



it mm Loittjm§st7)fj:^(i^^o m - 7^ m m :^m%^ (o mm It "^ w (^ 

 no mm^KL-c m^m '^ j^ a ^m m'^. (t n ^ -^ bo mmi^^^. mm 



II. Fam. Perlidae. iii|^if4 



1. H. BR H f@ ^ ;5 t o 2. 



S-ilR-^fS* ^ i '^ Neoperlinae 5. 



2. =^ ^ CO ft ^ Pi-Cft ^ — ^«j^:;^tf z ;g)ii S i6 -C J-»i < : n r- fit * ;^ (@ 

 Oft^M4->ti-;B i O Chloroperlinae 7. 



'^m o ^ mm it m <.: ni^tt^oft^sis^^-r ^ t o 



Perlinae 3. 



3. -^ <^ ?5. ^^. m m r. — m CD IK 'JtK ^ m ^ ^] .% ^ c?) ^ m m a jk v^ -^- l < it 



)l^3*^S"f ^ t «0 Acroneuria Pict. 



T c^ ^ ^ ^- u r~ ip.u^ m n < .^ ^ m n ^ n m u h l co 4. 



4. 'ik m CD m M C^'ui) 1: t^ HE c5 — ^J * ^ i « Perla UeoftV. 



^^«W^tOÄ^i^5^S315i r~ ^ - m m Si :^ t O Isoperla Banks. 



5. M ^ o gt fcl i "J ^ *. r- :^ ^ t o Neoperla Noedh. 



S % C^ II te\ i 'J @. :6> 1: :i: ^ i 6. 



6. M ^ c'J m - Iff @ ^ -C :g < .?& ^ ic- fifa O ?a Sß ^ -& tf f: o t C5 1: ^ Ä ^j: 



^ t <!^ .... Nogiperla < )kam. 



^ "% (D W M T^ U h {, £0 Kiotina Klj). 



7. a^oaE^ua^ft^^ivj— 2^0^x-tf$-5fti^a!5^ffi-tf^ t 



'^ Chloroperla Newm. 



