Proc. AMS. Phdada . 1863. 



Plate 7. 



5- 



SJQ) 



9= 8. 



G5 (3 



6. 



1 



10. 



3. 





11. 



15. 



/. Zirphaea CnibhvL.2,3. Jfylotryase.1ax:ea^.4,5.PlanorbisFiehiii. 6.Anvnicola Pccnaznensis. 



7. Mdaraxx Rehsnae. 8,9.Amicola,Rowenii. 10. Pomatiopsis Binneti II Tcdvatu yiraxs. 



12. Lintnaca Adelinae. 13. LimnoM Triwku. I4.PJysa &abbiL tfAnaylu* fragilis. 



