Botany and Zoology. 343 
i river or beach sands, in small rounded grains, associated with 
monazite, garnet, tourmaline, quartz and mica. It does i 
solve oy in hydrochloric acid to give the titanium reac- 
ts specific gravity is 4:2. An analysis afforded: 
TIOg 59°20 
Oe cn cca 32°11 
sO kee el 9 
MgO Pee 1-73 
SiO, Seles meer Baba er 116 
99°09 
honitting the silica which is present as a mechanical admixture, 
aed figures lead to the provisional formula 3(Fe,O,, 3TiO,) 
. eO, TiO,). The oxygen ratio between protoxides, sesqui- 
xides and titanic acid = 1: 4°5:11, or for all the bases to titanic 
vad =1:2. About 85 per cent then of the mineral is composed 
“e normal titanate of sesguioxide of iron, the other 15 per cent 
ing, normal titanate of the protoxide, which separates it widely 
St per cent vanadic oxide, ‘006 per cent 
per cent titanic oxide in the magnet 
shore of Lake Erie. 
4. Minerals trom Middletown, Vonn.—In the note No. 9 on 
Page 263, the closing lines of the first paragraph, ‘relating to 
*erussite and pyromorphite, should be erased. : 
chromi 
ite sand found on the 
i 
Ill. Borany ANd ZOOLoGy. 
F l. Origin of the Fauna and Flora of New Zealand.—Captain 
W. Hurron, of New Zealand, in articles 
tnals and Magazine of Natural History, xiii 
> fauna and flora. The earlier paper reaches the conclusion 
Son? in the Lower Cretaceous, New Zealand formed part of a 
wth-Pacific continent extending from New Guinea to Obili, and 
* 
Teceived species of plants and animals fr 
So in the Eocene another 
vest. an u erica; and also that in 
Za aston of species from the same sources took place; but New 
faland ach remained an island, much larger than at present. 
ward, the Aucklands (2000 feet high) 240 miles ott, Campbell 
Island Qa rapes ra a Macquarie Island, 600 
