Plate XXXIII. 



Fig. 1. Call's Straij;]it Fislnvay, 



1— Pl;ui. 



Scale of feet. 

 , I 2 .^ 4 G 



2. — Section tluroiiglL A. B. 

 Scale of feet. 



12 3 4 6 6'? 



Vi^^i/-^"" 



Fig. 2. Call's Spiral Fisliway, 



Scale of feet. 



' - 3 4 o 7 9 9 10 n 12 



