238 The Ottawa Naturalist. [Jannary 



PLATE II. 



Figure i. — Squaw's knife of dark flint, y^ diameter, from Lake Deschenes. 



Figures j-'^.-VWwK arrowheads, Vz diameter, from Lake Deschenes. 



Figure S. — Skin scraper, made from human jawbone, V^ diameter, from In- 



dia'n grave, Lig-hthouse Island. 

 Figure 9.- Gouge made from human thigh bone, % diameter, from Indian 



grave on Lighthouse Island. 

 Figure jo.— Hair fringe, natural size, but hair yz the natural length, from 



Indian grave, on Lighthouse Island. 

 Figure loa. — Twine woven loosely to show method of weaving hair fringe in 



figure 10. 

 Figure 11. — Copper Kettle, ^ diameter, from Indian grave on Lighthouse 



Island, 

 Figures 12-1^. — Knives of European make, ]A, diameter, from Indian grave on 



Lighthouse Island. 



PLATE III. 



Figures 7-5. — Front view of gouge-like implements or crooked knives, >^ 

 diameter, from Indian grave on Lighthouse Island. 



Figures ja-^a. — Side view of figures i to 5. 



Figures 6-7. — Gun flints, natural size, from Lighthouse Island, Lake Deschenes. 



Figure 8. — Stone slab, i/io diameter, lettered J.P.O.T., from grave on Light- 

 house Island. 



ON SOME TRENTON (ORDOVICIAN) FOSSILS FROM 

 THE LIGHT GRAY LIMESTONES OF CUMBERLAND, 

 COUNTY OF RUSSELL, ONTARIO, CANADA. 



By H, M. Ami, M. A.. F. G. S. 



Some weeks ago I received from my friend, Dr. F. Slater 

 Jackson, of the Biolog-ical Laboratories, McGill University, a small 

 but interesting collection of fossil organic remains made by him in 

 1890, at Cumberland, some 24 miles below Ottawa City. 



They proved on examination to be eminently characteristic , 

 forms of the Trenton formation in the Ordovician System. This 

 collection enables the writer to complete more perfectly the suc- 

 cession of life-zones in the Ordivician of that locality. 



On the occasion of the Ottawa PMeld-Naturalists' Club ex- 

 cursion to Cumberland on the 15th of July, 1899, the Calciferous, 

 Chazy, Black River and Trenton formations — the latter only very 



