1 899-] Matthew, Fresh-Water Tertiary of the West. 



39 



•ad^x JO uoijBOoq 



^ < < 



•papjooajuf^ 



•apajO ET 



■sajjng qjoiuiuBj^ 



•UJI\[ J(DElSitEJJ 



^S 



O 



o 



■papjooaaufi 



XX X 



•saHng uiavx 



•^fJOjJ SjUlEJ^ 



•5(J0J S^^lOEia 



•jjaaj^ poOAVuojjo^ 



XX 



■>(3aJ3 Xjq 



•JlJOjj s^itauajj 



XX XX 



•sajjng Ajzzuq 



XXX X 



•jaSpug uo j 



"II^X aiod aSpoq 



•UISEg OUEJiStlfj 



J^ 



6^- 



3) 3 U -r" 



^-5 



"O^ 



M 





^ "^^ 



-ji-' 



s^ 



Su 



^■Si, 



s < .^ -i 



:-5;-^ 





< fN 



j^ <* <i ^ 2 <o <: 







R — 



s, 'o ^ 



