Proc. Wash. Acad. Scl, Vol. IX. 



Plate VII. 



Add. M 



Pep. 5. 



(/) 



D.Pep.S. 



PEr.S.O. 

 B.Aht. 



L.V.L.T. 



c 



c 



Pep. 5. 



L.l/. L.T. 



V. L.T. 



