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XL VII. An Account of a remarlahle Echi- 
nus: By Guftavus Brander, F, R. S, 
0 
Read Dec.ii,/ ^ \ HIS echinus is of a very lingular 
fpecies. It appears to me to be of 
a middling nature between the echinus and the 
ftar-fhh. It comes from the ifland of Bourbon in 
the Eaft-lndies j and I cannot learn, that it is any- 
where defcribed. (Plate VIII. Ftg. 3.) 
XLVIII. An Accomit of the Imprejfon on a 
Stone dug up m the If and ^Antigua, a?td 
the Quantity of Rain fallen^ there for Four 
Years: hi a Fetter from the Reverend 
Mr, Francis Byam to William Fauquier, 
F, R, S, 
Dear Brother, Antigua, March 31, 1755, 
Read Dec. II, S you have the honour to be a 
.Z'A. member of the Royal Society, I* 
have fent you, by Captain Barrett, in a box directed 
for you, what I efteem to be a great curiolity. It is- 
a Hone, that was brought from a quarry, for a build- 
ing in the town : the quarry is in the fide of a moun- 
tain, and is about three hundred yards higher than 
high-water mark, and about two miles from the fea. 
When the mafon ftruck.it with his hammer, it fplit in 
two, and difcovered the exadt portraiture of a fifti (on 
each ftone) which we call an old wife. (Plate IX.) 
I have likewife fent you an account of the quantity of 
rain, that has fallen in this place for four years laft. 
