THE LOUISVILLE LIMESTONES. 



145 



LIST OF DEVONIAN FOSSILS, Etc. (Continued). 



SPECIES. 



UpperHeld- 

 erberg Gr'p. 



Brachiopoda (Continued). 

 Amboccelia umbonata .... 

 Cyrtina Hamiltonensis .... 

 C. crassa ..... 



Trematospira hirsuta .... 

 Nncleoqws concinna .... 

 Athyris spiriferoides .... 

 A. \ ittata, representing A. Cora 



Meristella na.-uta 



M . (Pentagonia) unisulcata 



Atrypa rt'tifiilaris, and varieties 

 A. aspera ..... 



RliynchonellaTethys .... 



R. Sappho 



Pentamerella arata 



P. pupilionenais .... 



'I'li-.-liratula liarmonia .... 

 Cryptonella rectirostra 



C. lens 



Tropidoleptus carinatus 



Lamellibranchiata. 



Pterinea flabellum 



LitnoptSTB cancellata, v. occidens . . . . 



Aviculopecten pecteniformis 



A. princepa ....... 



A. parilis 



A. crassicostata, representing a Hamilton form 



Nuculites triqnetw 



Nucula Neda = N. bellastriata var . . . . 



N. Niotica 



Modionmiplia concentrica ...... 



Cj pi-ic'irdinia inflata ...... 



C. 1 cylindrica 



Yoldial valvulus 



Tellinomya milmasuta 



Ptychodeama Knappianum 



Qrammyaia Mcmoa, v. (,nbbosa . 



Lucina (Paracyclas) elliptica 



L. P. lirata 



Qardiopaia eraaaicoete, representing 1 P. robusta 



ardinm trigonale 



Gasteropoda. 



Platyceras conicum 



near P. carinatum 



P. cristatum, n. sp. 



P. burculentum 



P. rictum 



P. dumosum .... 



P. dmnoamn, v. rarispinum 



p. fdriiii-atum .... 



P. syiiiinctricum 



Platyostoma lineatum 



Trochooema i-maneratum . 



T. TaadaUanum 



T. rectilatera .... 



Pleurotomaria sulcomarginata 



P. I'.st.Ua, representing P. Itys 



P. Lucina .... 



19 



Hydraulic 

 & Encrinal 

 Limestones 



* 



* 

 * 



* 

 * 

 * 



* 



* 

 * 

 * 

 * 



* 

 * 



Hamilton 

 Group, N.Y 



* 



Chemung 

 Group, N.Y. 



