116 



12. Shales I'eet 4 iuc-lit's 



11. Limestones, two thiu oues U " 4 



10. Shales U " 



9. Limestoue, buff to brownish, large Fusulinas and 



chert iu the lower part •> " 



8. Shales, clayey 1 " U " 



7. Limestone, shaley to massive 3 " 9 



6. Shales, yellowish 3 " 3 



5. Limestones, thin, with shale partings 3 " 



4. Limestoue, massive, in two layers 3 " 4 



3. Shales, yellowish, with calcareous layers rich in fossils 9 '" 

 2. Limestone, dark colored, in thin layers, full of 



pelecypods 4 " " 



1. Shales, red and blue, in creek north of the cut, east 



of the trestle over the small creek 11 " 



Total 132 feet 7 inches 



Numbers 24 to 29 inclusive, are of the Neosho member of the Garrison 

 formation, 23 represents tlie Floreua shale, number 22, the Cottonwood 

 limestone,1| 10 to 21, inclusive, the Eskridge shales, 7 to 9, the Neva lime- 

 stone and from 6 down to water-level, the Elmdale formation. 



The collections upon which this paper is based were made in the 

 summers of '04 and '05 by Prof. Beede and were taken from number 23 of 

 tlie foregoing section, tliat is, the Florena shale. 



The lists of tliis fauna which have been published up to the present 

 time include about thirty-nine species. In Beede's Grand Summit collec- 

 tion we find 74 species. In the following list, the numbers given may be 

 taken as representative of the fauna in the southern extension of the for- 

 mation. The following are found to be the characteristic species : 



1. Fusulina sp 800 



2. Crania ef . modesta 67 



3. Seminula argentia 44 



4. Productus semireticulatus 39 



5. Productus nebrascensis 84 



6. Chonetes granulifera 293 



7. Derbya crassa 79 



lIThis statement is based on the field work of Prof. J. A. Yates in 1905. 



