Spbihger: Ghinodea*Flexibilia 



Plate LI 







ff 



' \iff\ ^%i ' M --^ "1 ill" 





*»*-f«r^' 1] 



5b 



5c 



5a 



4b 



K.M.ChapmHndel. 



Keliot^psCo-BoSc;!. 



