Report of the State Geologist. 



407 



Gastropoda. 



* Platyceras attenuatum, Hall. 



* P. bucculentum, Hall. 



* Cyrtolites mitella, Hall. 



* Bellerophon lyra, Hall. 

 X B. Leda, Hall. 



* Platyostoma Uneatum, Conrad. 



* Pleurotomaria Lucina, Hall, 

 tt* P. rugulata, Hall. 



* P. Itys, Hall. 



* P. capiUaria,GontaA. 



* P. sulcomarginata, 



Conrad. 



* Loxonema Hamiltonice, Hall. 

 *Sceevogyra? sp. n. (A sinistral 



shell without peripheral seam.) 



Lamellibkanchiata. 

 i Aviculopecten invalidns, Hall. 



* Pterinopecten exfoliatus, Hall. 

 X P. dignatus, Hall. 



X P. lsetus, Hall. 



X P> intermedins, Hall. 



J Actinopteria muricata, Hall, 

 t A. Doris, Hall. 



*X Lelopteria lewis, Hall. 

 X Leptodesma Marcellense, Hall. 

 X Modiomorpha alta, Conrad. 

 X Goniophora acuta, Hall. 



* Goniophora sp. 



X Nuculites triqueter, Conrad. 



XN. 



Nyssa, Hall. 



t Panenka ventricosa, Hall. 



X P. 



Hero, Hall. 



IP. 



cequilatera, Hall. 



*X P. 



costata, Hall. 



t p. 



Llncklseni, Hall. 



X P- 



mollis, Hall. 



* p. 



radians, Conrad. 



t Panenka sp. n, 

 X Cardiopsis, sp. 

 *X Lunulicardium fragile, Hall. 

 X L. Marcellense, Yanuxem. 



t L. rude, Hall. 



X L. orbiculare, Hall. 



X L. curtum, Hall. 



X Cardiola retrostriata, von Buch. 

 X Phthonia nodocostata, Hall. 

 Beachiopoda. 



* Terebratula Linckktmi, Hall. 



* Cryptonella planirostra, Hall. 



* Bhynchonella Sappho, Hall. 



* B. Horsfordi, Hall. 



* Bhynchonella Dotis, Hall. 



* B. prolific a. Hall. 



* R. sp ? 



t Leiorhynchus limitarisVanuxem 

 X L. quadricostata, Hall. 



I L. multicosta, Hall, 



t Spirifer mucronatus, Conrad. 



* S. medialis, Hall. (S. 



audaculus, Conrad.) 

 X S. fimbriates, Conrad. (S. 



Conradanus, Miller.) 



* S. subumbona, Hall. 



X Ambocoelia umbonata, Conrad. 



* Meristella Barrisi. Hall. 



*X Strophalosia truncata, Hall. 



* Productella spinidicosta, Hall. 



* P. Shumardiana, Hall. 



*X Chonetes mucronata, Hall. 

 *J C. scltula, Hall. 



*$ C. lepida, Hall. 



| C. setigera, Hall. 



J* Tropidoleptus carinatus, Conrad, 



* Strophodonta incequistriata, 



Conrad. 



* Streptorhynchus C hemnngense, 



Conrad. 



* Orthis Vanuxemi, Hall. 



* 0. cyclas, Hall. 



*t Crania Hamiltonice, Hall. 

 | Orbiculoidea minuta, Hall. 

 J O. media, Hall. 



J 0. launilis, Hall. 



J Lingula exilis, Hall. 



Bryozoa. 

 X Polypora, sp. 

 X Paleschara sp. 



* Hederella Canadensis, Nicholson. 



* Stictopora sp. 



* Lichenalia sp. 



X Beptaria stolonifera, Rolle. 



ECHIXODERMATA. 



t Haplocrinus Clio, Hall. 



* Nucleocrinus Lucina, Hall. 



Polypi. 

 X Microcyclus, sp. 



* Romingeria, sp. 



* Striatopora limbata, Eaton. 

 Plants. 



X Rachiopteria pinnata, Dawson. 

 X Protosalvinia Clarkei, Dawson. 

 X P. Huronensis, Dawson. 



