Trahs Linn. Soc Zool.Vol, 3, Plate XXN. 

 Su.pplem.nt^ tc Ft. XXllL ^1, PiE GNIODB S . -^2, COMPSONEURIA 



43 RHITHROGENA. 44, fj.PL.xxni, ^) IRON. 44a, EPEORUS (resu-^u^) 4b, HEPTAGENIA. 



46, ECDYURTJS. 



A.E.EotoM, ci<i. A.T.HoUiil< hih 



K. 'k^lveticus 

 SUPPLE MENTAL TO PLATE XXIH . 



West Mev/vnaiv- &/ C irrw 



