Raymond : Thi'. Chazy Formation and ns Fauna. 



533 



laid, as at the point in Smuggler's Bay, by a coarse-grained, blue 



limestone. This blue limestone is very fossiliferous on Sloop Island, 



while the reef material is only sparingly so. 'Ihe reef material 

 contains : 



StroniatoccriiiDi sj). c, 

 Flctchcria iiicerta c, 



The blue limestone contains 



Rhinidictya feiiestrata c, 

 Phylloporiiia incepta c, 

 MoHotrypclIa sp. c, 

 Stenopora patula c. 

 Crania proiia r, 

 IFebertclIa ziit/j^ar/s c, 

 Rafinesqiiiiia incrassaia c, 

 Cainerella varians c, 

 Ortludium !a»iellostii)i r, 

 Arnbonychia ciirvata c, 

 Conocardium beecheri c, 

 Hon/iofo/iia sp. r, 

 B Ufa Ilia stilcatiua c. 



Jlcbcrtclla 7'ii/i;aris r, 

 Ainboinchia airvata R. 



Orthflceras sp. r, 

 Isotcliis harrisi r, 

 IllcEuus i:[lobosi/s c, 

 Thaleops ovata r, 

 Ceraiirus pompiliiis R, 

 Sphccrocpiyplie ^;'ood/io7'i R, 

 Pliomerops canadensis r, 

 Sph(Ei'cxochiis parvus c, 

 PseudospharexocJuis satyrus R, 

 Amphilichas viinganensis r, 

 Glaphurus pustiilatns r, 

 Leperdiiia canadensis. 



V^.^ belongs to Division 3. 



Station V^^. The next station is on the ledge in the middle of the 

 shore of Sloop Bay, often mentioned in this article as the "Trilobite 

 layers at Sloop Bay." These layers are a heavy-bedded, pure black 

 limestone, and carry an abundant fauna. 



Malocystites sp. ind. R, 

 Monotfypella sp. r, 

 Lingula sp. ind. r, 

 Plcesiomys plaiys c, 

 Plcesioinys stropJiomenoidcs r, 

 Rafinesquina champlainensis c, 

 Rafinesquina alternata r, 

 Camerella varians r, 

 Camerella longirostris r, 

 Ctenodonta peracuta c, 

 Ctenodonta diibiaformis r, 

 Ctenodonta ? bidorsata r, 



Raphistoina stainineuni r, 

 Trochonema dispar r, 

 Lophospira perangulata r, 

 Lophospira subabbreviata c, 

 Biicania sulcatina R, 

 Subulites prolongata R, 

 Eoharpes ottaiva'cnsis R, 

 Lonchodomas halli c, 

 Bathyurellus minor c, 

 Asaphus tnarginalis c, 

 hot el us harrisi R, 

 Isotelus obtusus c, 



