X1V 
Photograph of a Balk of Yellow Fir drifted 
ashore on the South Coast of the Isle of 
Wight, March, 1872. It measured about 
40 feet in length, and 22 inches in each 
direction, and it was densely coated with 
thousands of Lepas anatiferd ......000 
Raniceps Trifurcatus, or Tadpole Fish, rare on 
the Cornish Coast, and hardly known else- 
where. Brought to C. Fox, by a Durgan 
fisherman, 3 | 5 | 1872........ Sus avengtave eats 
Larva of Dyticus marginalis (a large Water 
Beetle) found by Alfred Hamilton Jenkin, 
at Parevean, near Trewirgie, Redruth, in a 
stagnant pool, and was observed to feed 
voraciously on Tadpoles® ........cceeae 
Batrachus Surinamensis, Cuy.; from South 
Areneravem, USA) Gosbbodaccddoocate ono 6c 
Arca Noe, Linn. ; Mactra glauca, from Hayle 
Sands, August, 1846; Hippothoa catenu- 
laria; Kellia rubra, and various other 
SINAN C40 Bo gooudeoOsoDC c0Ga000 00000000 
Mr. Albert Way. 
Mr. Charles Fox. 
Mr. Hamilton Jenkin. 
Mr. W. P. Cocks, Falmouth. 
Ditto. 
ADDITIONS TO THE LIBRARY. 
The Metalliferous Deposits of Cornwall and 
Devon: with Appendices on Subterranean 
Temperature; the Electricity of Rocks and 
Veins; the Quantities of Water in the 
Cornish Mines; and Mining Statistics ; 
forming Vol. V. of the Transactions of the 
Royal Geological Society of Cornwall. By 
William Jory Henwood, F.R.S., F.G.8., 
Mining Hngineer; Member of the Institu- 
tion of Civil Engineers; of the Geological 
Society of France; Hon. Member of the 
Yorkshire Philosophical Society; Cor. Mem. 
of the Plymouth Institution, and of the 
Lyceum of Natural History, New York; 
and sometime Her Majesty’s Assay Master 
and Supervisor of Tin in the Royal Duchy 
of Cornwall, and Secretary of the Royal 
Geological Society of Cornwall. .1843.... 
From the Author. 
* Accompanying this present was the following note from Mr. F. T. 
Hudson: “‘ The Larva of Dyticus marginalis lives in stagnant waters, and 
attains a length of about two inches before it undergoes the metamorpho- 
sis to a Beetle, about an inch and a quarter long. The Larva and Beetle 
are both voracious. Although the Beetle lives in water, it has the power 
of flight. It is common over most parts of England, and is often caught on 
the wing in the evening.” 
