Raymond: I'iik Chazy Formation and its Fauna. 



r)17 



About thirty feet above the base a nodular layer yielded 



Monotrypella sp. c, 

 Fletcheria iiicerta r, 



Maclti rites niaj^iius c, 

 IllcFUiis eras til si r. 



In a hard, light-gray, crystalline limestone, near the top, we found : 



Ma/ocystites sp. ind. r, 

 Stylarcca parva c, 

 Fletcheria incerta r, 

 Monotrypella sp. c, 

 Rhinidictya feiiestrata r, 

 Phxsioinys platys c. 



He/>erte//a vulgaris c, 

 Rafinesqiiina incrassata c, 

 Maclitrites magniis r, 

 hotel us karri si c, 

 Ilheniis glohosus r, 

 Tlialeops ovata r. 



A.,j. Impure shaly and nodular layers vvith many fossils. 



15 feet = 708 feet- 



Paleocystites tciiiiiradiatiis c, 

 Stylarcea panui r, 

 Monotrypella sp. c, 

 Plasiomys platys c, 

 Hehertella bore alls c, 

 Rafinesqiiina incrassata r. 



Canierella longirostris r, 

 Biicania sulcatina r, 

 Raphistonm staniineinn r, 

 J fa c III rites niagniis c, 

 Isotelus harrisi r, 

 Leperditia canadensis c. 



A^j. One bed of rather pure blue limestone with few fossils. 



10 feet 6 inches =718 feet 6 inches. 



A33. Impure nodular limestone with many fossils which are difficult 



to extract. The nodules usually contain massive bryozoans or corals. 



10 feet 6 inches =729 feet. 



Paleocystites teniiiradiatiis r, 

 Crinoidal columns c, 

 Stylarcea par7'a c, 

 Coral sp. ind. c, 

 Monotrypella sp. c, 

 Bryozoan sp. ind. c, 

 PlcBsioniys platys c, 

 Rafinesqiiina incrassata r, 

 Orthidiiiin lamellosiini r. 



Caniarota'cliia plena r, 

 Lophospira perangitlata r, 

 Orthoceras niiilticameratum r, 

 Isotelus obtiisinn r, 

 Isotelus harrisi r, 

 Plionierops canadensis r, 

 leperditia canadensis r, 

 Eurychilina latiinarginata r. 



A.,j. Light-colored, coarsely crystalline limestone, in which Cania- 

 rotoschia plena is abundant. 



9 feet = 738 feet. 



