236 CALIFORNIA ACADEMY OF SCIENCES. 



Paheoiitology of the Black Hills of Dakota. 



lu U. S. Geog. aud Geol. Survey Eocky Moiiutfiiu Region. Eep. Geol. 

 and Eesoiu'ces of the Black Hills of Dakota, with atlas; by Henry New- 

 ton and Walter Jenney, Washington, 1880, j). 'S2o, jjl. 2. 



CrejJ/crpha/iis pJaniifi n. sp., C. centralis u. sp. 



Palaeontology. 



In Geol. Wisconsin, vol. 4, 1882, pt. 3, pp. 16.3^363, pis. 1-27. 



Potsdam Sandstone: (Dicellocej^haJus zone.) Conocephalites calymen- 

 oides Whitf. Dicellocephalus lodensis Whitf., D. crassimar(j hiatus u. sp. 

 Conocephalites qnadratus n. sp., C. (Ptijchaspis?) explanatus u. sp. Crep- 

 icephalus oinisttts Whitf., C? gibhsi n. sp. Ptychaspis granulosa Owen, 

 P. striata n. sp., P. minuta Whitf. Dicellocephalus minnesotensis Owen, 

 Aijraulos [Bathyurus? ) ivoosteri Whitf. Arionellus convexus Whitf. 

 EUipisocejihalus curtiis Whitf. Aglaspis eatoni u. sp. 



Species from the Lower Magnesiau Limestone: Dicellocejihalus harahu- 

 ensis Whitf., J), eatoni Whitf. Illanitrus convexus Whitf. 



Species from the Trenton Limestone: Asa}ihus susie Calvin MS., A. 

 homalonotoides Wal. Ilhenus ovatus Conrad. 



Species from the Niagara Group, 111.: Illanus ioxus Hall, /. insignis 

 Hall, /. imperator Hall, /. madisonianus u. sj)., /. pterocephalus Whitf. 

 Bronteus laphami Whitf. Sphcerexochus rominge.ri Hall. 



Devonic: Leperditia alia Conrad. Phacops rana Green. 



^ Description of new species of fossils from 



Ohio, with remarks on some of the geological forma- 

 tions in which they occur. 



In Annals New York Acad. Sci., vol. 2, Nos. 7, 8, 1882, p. 193. 

 Eurypterus crievsis n. sp. Leperditia angulift'ra n. sy). Plumulites new- 

 herryi n. sp. 



— — On the fauna of the Lower Carboniferous 



limestones of Spergen Hill, Indiana, with a revision 

 of the descriptions of its fossils heretofore published, 

 and illustrations of the species from the original type 

 species. 



In Bull. Am. Mus. Nat. Hist. New York, vol. 1, No. 3, 1882, pi. 9. 



Leperditia earhonaria Hall. Cytherina glandella n. sp. 



Plates rei^ublished in 12th Eep. Geol. Nat. Hist. Indiana, 1882. 



List of Wisconsin fossils. 



In Geol. Wisconsin, vol. 1, 1883, p. 362; also ilh;strations of typical 

 fossils of the Wisconsin formations. 



Fig. 15 is an entire s]iecimen of DiceUoee/dialiis minnesotensis Owen. 



