314 



Xera Volcano of Hotkam Island. 



12 From Hennis' Q. on Chester creek, n. Wilm. ro. 



13 



14 

 15 

 16 

 17 

 18 



19 



20 

 21 

 22 

 23 

 24 

 25 

 26 



27 



" Worral's do. 



" Smith's do 



" Murray's on Ridley Creek, 



" Burk's do. 



" Shoemaker's do. 



" Clyde's do. 



" M'llvaine's do. 



do. 



do. 

 " Churchman's 

 " J. L. Crosby's 



do. 

 " R. P. Crosby's 

 " Leiper's Crum Creek, 



« Hill's do 



do. do. 



do. do. 



do. do. 



do. do. 



do. do. 



do. do. 



do. do. 



do. do. do- 

 do, south do. 

 do. do. do. 

 do. north do. 

 do. do. do. 

 do. do. do. 

 south do. 



do. do. 



28 " do. (Island Field) do. do. 



29 " PaUsades at Fort Lee, Hudson river, 



30 « do. Claster do. 



31 " Nyack do. 



2,752 3-4 



2,672 



2,717 



2,713 1-4 



2,700 



2,713 1-4 



2664 



3,130 



2,726 



2,654 1-2 



2,638 1-2 



2,664 



2,618 



2,649 



2,649 



2,786 1-4 



2,805 1-4 

 2,990 1-2 

 2,968 3-4 

 2,955 1-4 



Grneiss. 



do. 



do. 



do. 



do. 



do. 



do. 



C Hornblende or 



^ Greenstone. 



Gneiss. 



do 



do. 



do. 



do. 



do. 



do. 

 C Hornblende or 



I 



Greenstone. 



do. 



Trap. 



do. 



do. 



THE NEW VOLCANO OF HOTHAM ISLAND. 



In a letter to Professor Daubeny of Oxford, from Captain 

 Ballingal of the Royal Marines, dated " H. M. S. St. Vincent, 

 Malta, 27th July, 1831," which the Professor had the goodness 

 to send to us, is the following account of the volcano : — 



The situation of the volcano is in lat. 37° 10' N. long. 12° 44' 

 E. the crater of which, above water, is about 70 or 80 yards in 

 external diameter, and about 20 feet in height from the surface 

 of the sea, lying between the island of Pantalleria and Cape 

 Granitula, on the south-west coast of Sicily. The eruption is in 

 a state of great activity. Large columns of fire, dust, and dense 

 smoke, are constantly emitted, accompanied every hour and a 

 half with an eruption of great velocity, throwing masses of stones 

 of several tons weight, with cinders, and jets of mud and water, 

 to a height equal to the mast-head of a first-rate man of war. 

 Prosper© Schiffino, the master of the Santa Arona, a coasting 

 vessel from Sardinia, arrived here, and reported to our admiral, 

 that three days before, while off Cape Bianco in Sicily, he dis- 



