86 CALIFORNIA ACADEMY OF SCIENCES. 



on p. 205, which were first published in 1871 in a pamphlet entitled "New 

 species of fossils from the Hudson Kiver group in the vicinity of Cincin- 

 nati, Ohio." 



Descriptions of new species of fossils from 



the Hudson River group in the vicinity of Cincinnati, 

 Ohio. 



In Twenty-fourth Kept. New York State Mus. Nat. Hist., Albany, 1872, 

 p. 225, 1 pi. 



Published Oct., 1871, in advance of the State Museum Report. 



Leperditia ( I sochilina ) cylindrica n. sp., L. ( fsochilina) minutissima 11. 

 sp. Beyrichia tumifronsu. sp., B. oculifer n. sp. 



The fauna of the Niagara group in Central 



Indiana. 



Documents only of Twenty-eighth Kept. New York State Mus. Nat. 

 Hist., 1876, 34 pis. 



Description of Plate XXXII. Leperditia faba n. sp. Beyrichia granu- 

 losa n. sp. Cyphaspis christyi Hall. Calymene niagarensis Hall, Sphai- 

 rexochus romingeri 1 Hall. H omalonvtus delphinocephalus ? Green. Illaenus 

 armatus ? Hall. 



Description of Plate XXXIII. Dalmania vigilans Hall, D. verrucosa 

 Hall, D. bicornis n. sp. 



Description of Plate XXXIV. Lichas breviceps Hall, L. boltoni var. 

 occidentalis Hall. Lichas sp.? Dalmanites verrucosus Hall. 



Illustrations of Devonian fossils: Gastero- 

 poda, Pteropoda, Cephalopoda, Crustacea, and Corals of 

 the Upper Helderberg, Hamilton and Chemung groups, 

 etc. Albany, 1876, 7 pp., 133 pis. 



Crustacea Calymene platys Green, C. niagarensis Hall. Homalonotus 

 dekayi Gr. Phacops cristata Hall, P. rana ?, P. bombifrons Hall, P. rana 

 Green, P. cacapona Hall, P. bufo Green, P. nupera Hall. Dalmanites 

 anchiops Green, also var. armatus. Dalmanites sp. ?, D. denticulatus Con- 

 rad, D. emarginatus n. sp., D. concinnus n.sp., D.regalis n. sp., D. cegeria 

 Hall, D. selenurus Eaton, D. coronatus Hall, D. calypso Hall, D. erina 

 Hall, D. aspectans Conrad, D. helena Hall, D. myrmecophorus Green, D. 

 boothii Green, D. pleione Hall. Acidaspis ( Terataspis) grandis Hall. Acid- 

 aspis sp.?, A. (Terataspis) eriopis Hall, A. (Terataspis) sp.? Lichas pus- 

 tulosus Hall. Dalmanites acantholeurus Conrad. Proetus angustifrons 

 Hall, P. conradi Hall, P. canaliculatus Hall, P. clarus Hall, P. hesione 

 Hall. Phillipsia minuscula n. sp. Proetus verneuili Hall, P. crassimar- 

 ginatus Hall, P. longicaudus. Phillipsia ? ( Brachymetopus 'I) ornata n. sp. 

 Proetus roivi Green, P. haldemani Hall, P. macrocephalus Hall, P. occidens 



