272 Forty-sixth Report on the State Museum. 



Paracyclas lirata^ (/onrad, very abundant, well preserved with con- 

 siderable variation in the form of the shell. 

 The complete list of fossils is as follows: 



1. Stropheodonta perplana, Conrad. 



2. Athyris spwiferoides, Eaton. 



3. Spirifer medicdis, Hall. 



4. Spirifer mitcronatus, Conrad. 



5. i^pirifer granidifer, Hall. 



6. Rhynchonella prolifxa^ Hall. 



7. Orhicidoida Doria^ Hf,lj. 



8. Ainhocodia umhonata, Conrad. 



9. Nucleospira concinna, Hall. 



10. Vttulina pustulosa^ Hall. 



11. Chonetes coronata, Conrad (?). 



12. Orthoceras constrictum, Conrad. 



13. Orthoceras subulatum. Hall. 



14. Orthoceras nuntium, Hall. 



15. Paracyclas lirata, Conrad. 



16. Grammy sia hisulcata, Conrad (?). 



17. Actinopteria decussata, Hall. 



18. Pterinea flabellum, Conrad. 



19. Phacops rana, Green. 



20. Homalonotus DeKayi, Green. 



21. Favosites Samiltonice, Hall. 



22. Pal(Eoneilo constricta, Conrad. 



23. Nuculites oblong atus, Conrad. 



24. Tellinopsis subemarginata, Conrad. 



25. Nucula Randalli, Hall. 



26. JSTyassa arguta, Hall (?). 



27. Nuculites triqueter, Conrad. 



28. Nucula bellistriata Con. (?). 



No. 500. E. An exposure of shales in the bed of a small brook e 

 short distance north of North Brookfield. The lower layers (E^) ara 

 medium coarse arenaceous shales in which Ambocodia umbonata 

 Conrad, occurs abundantly in thin layers, but other fossils are rare. 

 The fauna of No. 500. E' is as follows: 



Ambocmlia umbonata^ Conrad. 



Prodficctella Shumardiana^ Hall. 



ProdacMlla truncata, Hall. 



Rhynclkonella prolifica.) Hall (?). 



Paracyclas lirata^ Conrad. 



