Table showing the vertical distribution of the invertebrates in the Hamilton G 



R=verv rare. r^rare. rc=fairly common 



ClSCSTACRA. 



Phacops rana 



Crvplninia Bootlii 



C. Booth! var. calliteles . 

 Homalonotus Dekavi 

 Proetus macroceplialus . . 



Proetna ap 



Primitiopgia punctulifera 



Cephalopoda. 

 Goniatites uuiangularis . . 



Nautilus magister 



Orthocei-.is subulatuin . . . 



O. mrotinm 



O. Telanion 



0. exile 



Pteropoda. 

 Tentaculites bellulua 



T. gracilistriatus 



Styliolina fiasurella 



Coleolus gracilis .... 



C. teuuieinctum 



18. 

 19. 

 20. 

 21. 

 22. 

 23. 

 24. 

 25. 

 26. 

 27. 

 28. 

 29. 

 30. 

 31. 

 32. 

 33. 



34. 



35. 

 36. 

 37. 



4n. 

 41. 

 42. 

 43. 

 44. 

 45. 

 46. 

 47. 

 48. 

 49. 

 60. 

 51. 

 52. 



GA8TEROPODA. 



Platyceras erect um 



P. carinatum 



P Thetia 



P. bucculenttim 



P. symmetricum 



P. attenuatuiu 



Piatyostoroa lineatum 



Euompbalus laxus 



E. rudis 



Pleurotomaria Luciua 



P. Lucina var. perfasciata . 



P. Hys 



P. capillaria 



Loxonema Hamiltoniie. . . . 



L. delphioola 



Bellerophon Leda 



c=cominon. 



roup of Eighteen-Mile Creek and vicinity, 



C=very common. 



I'PPER 

 MARCELLFS 

 SHALES 



Lameli.ibranchiata. 



Aviculopecten princepa 



A. exacutus 



Pterinopecten couspectua 



P. Hermes 



P. undosua 



P. ep 



Pterinea flabella 



Actinopteria decuasata 



A. Boydi 



Liopteria Ratinesijuii 



L. ap 



Plethomytilus oviformia 



Modiomorpha concentrica 



M. subalata 



M. alta 



Goniophora modiomorphoidea 



Oypricardeba bellistriata 



Nuculites oblongatna 



Nuculites Nyssa 



HAMILTON OR LOWER SHALES. 



Sl lHIM K Ml ICBO NAIL'S FA' 



MOSCOW SHALES. 



Lower 

 spirikkr (onsorrim-a 

 Fauna. 



I- 



UlDULK 



llAKRKS 



8 Ft. 



D fPKH 

 SpIHirRR l'ULI.It'9 

 FACNA 



