TuF, American (Jeolooist, Vol. XXII. 
Plate IV. 
■ miiTM^'' '""' 
'L^: 
Fig. 1. Extruine tip of Barrachois Jiook, Bras d'Or, Cape Breton island, showing 
■ coarseness of material composin.^ it. 
Fig. 2. A .si)it, hooked at the end and f,'rowiny: toward the shore to form 
the other arm of a cusp. 
