H.AE. VOL XII 



PLATE I 



'^i 



13 



14 







*S3 O 



<^ 





3 



1 ^^ "^ 



15 





•* * * i> 









12 





10 



16 



.••^ 





17 





18 



LirH.HRITTnK * HITs: B "F 



ENCHYTR/EID/E 

 MESENCHYTR/EUS HAKRTMANI 1 to 6 MESENCHYTR^US UNALASK/5; 7 



MESBNCHYTR?EUS GRANDIS 8. 9. 10 MESENCHYTRffiUS SETCHELLI 11 



Mesenchytr^us EASTWOODI 12 MESENCHYTR/^US pedatus 13, 14 



MESENCHYTRffilUS FONTINALIS 15 MESENCHYTRSIUS KlNCAIDl 16, 17 



MeSENCHYTR^US FUSCUS INERMIS 18 MESENCHYTBiEUS ALASKA 19 



