- -0 - 



er Oalc Orove and Shoeal RiYer molluscs indicate a chanrfe from the 

 ;..u"btropio&l conditions of the Ohlpola will be >nown when the 

 present ctii'!':- -:" those feax-e.-. l.. eompletpd. ^v, t>p no n i. -"'er.' tion 



of the correlation of the -'jovvden fatu:a the character ox the 

 Shoal Hiver faizna, v.feiGh. Is now virtu.all, ;>:noTi7n, is of pri' ary 

 i-"Oortance_. 



On the vvhole it ceems that the 2ov/den fc una i3 dictinct- 

 Ij- i^ounger than the Ghipola and it nay "be tentativel, 

 ■>;£*: It * •: i^^S Burdigalian, fon -h i :■ ^ Tower Hl^^o^ic, ^c;^, '-n the 

 sense of most American Btrciti5:rapuers. i'he xjurdigalian is cng- 

 gf.oted not 30 much beca-ace the' f anna recGiables the Btirdigalian 

 raoll --'"^c-'-' ''•'^ "^i^ro'-'e, '^' ''O expresii its post--. 1 .'.zn a,p;e. It 

 will be ueen tiiat thib view is in conformity- Vvlth the opinion 

 of Euro oe an paleontolog-ists who hcve been iiiterected in West 

 Indian Tertiar; , '^--^ -'-v.. --oncl-aoion "•■-'•■ "■'-en '-e^'^ocd bj^ 



a riifferent method of attack, bixioe an attempt ha.-.; been made to 

 correlate with the Imerican section. The present work of Dr. 

 Yau/'-han and hi;: -ciate .'onnectlon ^^ -f^in ':>,p rrr.o'' laical in- 



vestigation of some of the iior fchern I.e:--ser ..-infcilles, of ■.-hich 

 orelimin^rj'- notic; -^e ''■:)e'n -)iih~i;;hed (1), ^tely es- 



(1). Taughan, U. i/., O&rne^ia Iiist. .Vashiac'ton, Vec.r 3ook, no. 



15, pp. 558-560, 1914; Year *3ook no. 14, o .. ^ ^_'^7.^^, 1915; 

 Joiir". Yfashinq'ton Acad. Sei., vol. 5, no. ' , ;. 3-490, 

 1915. 



