Bride Stones. 
had been broken, it was deposited in the Whitby Museum. The entire 
length of this animal was rather more than 18 ft. 
The second portion of the work concludes with an account of the cele- 
brated Kirkdale Cave, and the author’s reasons for differing from Dr. Buck- 
land’s interesting explanation of that geological phenomenon. We have no 
room to discuss the theoretical part, which occupies the third portion ; and, 
on the whole, the volume would probably have been of equal or greater 
value without that appendage. — 7°. 
Arr. III. Catalogue of Works on Natural History, lately published, 
with some Notice of those considered the most interesting to British 
Naturalists. 
BRITAIN. 
Anon.: The British Naturalist; or Sketches of the more interesting Pro- 
ductions of Britain and the surrounding Sea, in the scenes which they 
imhabit ; and with relation to the general Economy of Nature, and the 
Wisdom and Power ofits Author. Vol. If. The Year—Spring, Summer. 
London. 8vo. 1830. 
We record the publication of this agreeable and instructive volume, in- 
tending to review it at length when we shall have more room. 
Thompson, John V., Esq. F.L.S8., Surgeon to the Forces, Author of a 
Memoir on the Pentacrinus europe'us, &c.: Zoological Researches and 
Illustrations ; er, Natural History of nondescript or imperfectly known 
Animals, In a Series of Memoirs. Illustrated by numerous Figures. 
Cork. Syo. Nos. II. and III. 
These numbers contain some very interesting discoveries, which will be 
noticed in our next. 
Loudon’s Hértus Britannicus, &c.; enumerating nearly 30,000 Species in 
the Linnean Arrangement, and nearly 4000 Genera under the Jussieuean 
System. London. 8yo. 1. 1s. 
The merit of this work belonging more to others than to ourselves, we 
