MesozoiG and Coinozoic Geology and Palaeontology. 183 



Salvinia atfenuata^ Selagiyiella falcata, S. laciniata, Sequoia biformis^ 

 Widdriiigtonki complanata^ Pistia corrugata., Ottelia americana^ 

 D'ryophyllum crenatum., D. sxibfalcatum^ Populus melanarioides^ 

 Trapa microphylla, Laurus praestans, Viburnum rotundifoliu7n, 

 Greviopsis Qlebumi, Rhus membranacea; from Alkali Station, Alnites 

 Inequilateralis^ Juglans alkalina^ Carpites viburni; from Black Butte, 

 Sphoiria rhytismoides^ Sequoia acuminata, Diospyros ficoidea, Vibur- 

 num platanoides; from South Park, Dear Castello ranch, Hypnum 

 hay den i; from Grand Eagle Junction, Lyg odium marvinei; from 

 Golden, Zamiostrobus mirabilts, Arando obtusa, Palmacites goldianus, 

 now Geonomites goldanus, Sabal communis; from Middle Park, 

 Myrica insignis, Castanea intermedia; from Fort Fetterman, Betula 

 vogdesi; from Pleasant Park, Plum creek, Ficus ovalis; and from 

 Evanston, Ficus pseudo-populus. 



He described, from the Dakota Group, near Fort Harker, Kansas,* 

 Sequoia condita, Myrica cretacea, Dryopkyllum latifolium, Ficus dis- 

 torta^ F. laurophylla., Laurus proteaefoUa, Daphnogene cretacea, 

 Aralia saportanea, Hedera schimperi, H. platanoidea, Cissites acum- 

 inatus, C. heeri, Ampelophyllum attenuatum^ Menispermites populi- 

 /olius, A.sp)idiophyllum trilobatum., Protophyllum, crednerioides; from 

 Clay Center, Kansas, Aralia concreta, A. towneri^ Menispcrmites 

 ovalis^ M. cydophyllus, Sterculia Uneariloba; from the Fort Benton 

 Group, near the San Juan river, in southwest Colorado, Dryophyllum 

 salicifoUum, and Ilex strangulata; and from Spring Canon. Andro- 

 meda affinis. 



Prof F. B. Meekf described, from the Dakota Group, southwest of 

 Saliua, Kansas, Trigonarca salinaensis\ from the Big Sioux river, 

 Arcopagella macrodonta; from the Fort Benton Group, at the head 

 of Wind River Valley, Wyoming, Mortoniceras shoshonense; from the 

 Fort Pierre Group on Cherry creek, near the mouth of Sage creek, 

 Dakota, Odontobasis ventricosa; from the Fox Hills Group, Moreau 

 river, Ilicrostizia millepunctata, Ostrea subalata, Pyropsis bairdi, var. 

 rotula^ and Scaphites conradi, var. intermedium; from the base of the 

 Black Hills, Sphceriola ivarrenana; from 90 miles below Fort Benton 

 on the Missouri, Spha^riola endotrachys; from Yellowstone river, 150 

 miles from its mouth, Fasciolaria gracilenta; from the Fort Union 

 Group, at Clear Fork of Powder river, Montana, Hydrobia eulimoides: 

 from the Judith River Group, at the mouth of Judith river, Montana, 

 Hydrobia subconica, and Valvata montanensis. 



■■' 7th Rep. Hayden's U. S. Geo. Sur. Terr. 



t Invert, Cret, and Tert. Foss., vol. ix., Hayden's Sur. 



