


Vhurteenth Report of the Brit. Assoc: tor the advancament of Si cience 16%. 

Q; he Veen lenges of DLpviphean; Kites 
athe Wd Sj pth ithe > CNL? 
ry " Slt ; Pa 
kegions of Depth. 





Seale of Percentages. 


Conchitera Dimy aria. 
Conchirera Menemvaria. 
Siphonostomatous Spiral Univalves. 
Aspiral Cnivalves. 
————____— leolestomatous Spiral Univaives 
—_—--_—_-—_—___—_- --——- 
‘ 
