394 



DR. GWYN JEFFREYS ON MOLLUSCA OF THE [Apr. 10", 



and the second shows the corresponding stations in the chart; other 

 stations, at which soundings only were taken, are omitted. 



'Porcupine' Expedition, 1869. 



First Cruise. 



Off the West of Ireland. 



Dredgings were made at nearly all the sounding-stations in this 

 cruise. 



