F. B. Loomis — Origin of the Wasatch Deposits. 357 



Lower Higher 



level level 



Tatman Tatman Buffalo 



Mt. Mt. Basin Total 

 Ungidata : 

 Upland : 



Eobippus borealis 37 59 



" angustidens 6 15 



•' resartus 5 9 



" cristonense .. 2 '_. 



" montanus 1 1 



" cristatus 9 12 3 159 



Lowland : 



Phenacodus wortmani. 3 1 2 ... 



" brachypternus 2 1 



" primaevus . . 1 



Heptodon posticus .. .. .. 3 



Ectocion osbornianus .. 1 



Lambdotherium primaevura .. ._ 5 



Systemodon semibians 2 6 



" primaevus 6 26 



" protapirinus.. .. 2 



Trigonolestes cbacensis .... 3 



" metsiacus .... 1 



" etsagicus .. 1 .. 66 



Amphibious {?) forms: 



Corypbodon armatus 6 10 



" cinctus .. 1 



" elephantopsis .. 2 



" lobatus 2 - 2 



" testis 5 6 



" cuspidatus ■ _. 2 



" sp. 11 10 3 60 



Jnsectivora : 



Terrestrial : . 



Hyopsodus simplex 6 19 2 



" powellianus 1 1 2 



'• lemoinianus 3 6 



Sarcolemur bicuspis 2 



Estbonyx burmeisteri 6 9 .. ... 



" sp. nov .. 1 .. 



it (t 9 



Ictops sp -. ... 2 .. 60 



Ho dents : 



Terrestrial : 



Paramys atwateri 3 



" primaevus '.. .. ,2 



" quadratus _. 1 6 



Am, Jour. Sci.— Fourth Series, Vol. XXIII, No. 137.— May, 1907. 

 25 



