122 PROCEEDINGS OF THE NATIONAL MUSEUM vol.7 



Plate 9 



Page 

 Figures 1-4. Indiana lippa Matthew 70 



Various views of the type specimen, X 4. 

 Lower Cambrian (Etchemiuian E3/) : Dugald Brook, 

 Nova Scotia. 



5-8. Indiana secunda (Matthew) 71 



Matthev/'s figures, X 4 (5) and new illustrations of the 



type X 3. 

 Lower Cambrian (Hanfordian C1B2) : Hanford Brook, 

 New Brunswick. 



9,10. Indiana primaeva Matthew 77 



9. Front and side view of the type, X 4 (after 

 Matthew) . 



10. Another example, X 4. 



Lower Cambrian (Hanfordian C1B3) : Hanford 

 Brook, New Brunswick. 

 11,12. Indiana pyrif or mis (Matthew) 72 



11. Matthew's illustration of the type, X 4. 



12. Opposite valve of another specimen, X 3. 



Lower Cambrian (Hanfordian C1B3) : Hanford 

 Brook, New Brunswick. 



13. Indiana? accdzca Matthew 82 



The type specimen, X 6 (after Matthew). 

 Middle Cambrian (Acadian ClCl) : Porter's Brook, 

 St. Martins, New Brunswick. 



14. Indiana? minima Wiman 83 



Front and edge views of the type, X 10, (after Wiman) 

 Cambrian sandstone: Aland, Sweden. 



15. Indiana matthewi, nQw species 76 



The type specimen, a right valve, X 3. 

 Middle Cambrian (Acadian, Paradoxides zone, Clc) : 

 Kennebecasis River, New Brunswick. 

 16, 17. Indiana dermatoides (Walcott) 76 



16, 16'. The original figure of the type, X 2, with an 

 enlargment of the surface. 



17. A photograph of the same specimen, X 3. 

 Lower Cambrian: Washington County, N. Y. 



18. Indiana camhrensis (Hicks) 84 



A group of specimens (after Hicks). 



Lower or Middle Cambrian: St. Davids, Wales. 



19-21. Indiana longula, new species 73 



Lower Cambrian (Hanfordian, C1B3) : Hanford Brook, 

 New Brunswick. 



