INDEX. 



BULLETIN No. 1— FIRST SERIES. 



Page. 



Aphelopes crassns ^ 12 



megalodus 11 



Artiodactyla .'. 19 



Butte, Castle 9 



Cowrt-House 9 



Pawnee or White 9 



Canis 11 



haydenii 11 



s£evua 11 



Carnivora 11 



Castle Butte 9 



Collaboratora of the Survey 4 



Conrad 10 



Cope, E. D., A. M., report of 9 



Court-House Butte 9 



Creek, Lodge-Pole 9 



Division, first 3 



second 3 



third 3 



Elotherium ramoaum 27 



measurements of 2S 



First division , - 3 



General assistants 3 



Hayden cited 1 9, 10 



Herpetotheriura fugax 23 



Hippotherium speciosum 12 



paniense 12 



Hoplophoneus oreodontis 23 



Hypertragulus calcaratu's 26 



tricostatua 27 



Hypisodus minimus 26 



Isacis caniculus 23 



Leptomeryx evansii 27 



Letter of E. D. Cope to Dr. Hayden 7 



List of maps prepared by Geological Survey for 1871 and 1872 6 



members and collaborators of the Survey for 1873 3 



publications of the Geological Survey of the Territories 5 



species 11 



Lodge-Pole Creek 29 



Maps, 1871 and 1872, prepared by Geological Survey, list of 6 



Marsh cited 10,2* 



Martes mustelinus 11 



Mastodon proavus 22 



Measurements of cranium of Protohippus sejunctus 16, 17 



Elotherium ramosum 2& 



lower jaw of Procamelus heterodontus 21 



Poebrotherium vilsonii 25 



Procamelus angustidens 20 



Protohippus labrosus 14 



Protohippus placidus 19' 



upper jaw of Procamelus heterodontus 21 



Members, honorary, of the Survey 4 



of the Survey, list of 3 



Menotherium lemurinum 22 



measurements of 23 



Merychyus major 19 



elesrans 19 



