TRANSACTIONS OF THE SECTIONS. 191 
17. Managaon (piobably Mallaigaum), lat. 20° 32', long. 74° 30’, in Khandeish. 
This very remarkable stone fell on July 26, 1843. It consists of a congeries of 
fheantifal “apes pence crystals entangled, as it were, in a network of an opake 
mineral of the same colour. 
Note.—The detailed accounts of these meteorites are being published in the 
numbers of the ‘ Philosophical Magazine’ for 1863. 
On the Effects of different Manures on the Mixed Herbage of Grass Land. 
By J. B. Lawns, F.BS., F.CS., and J. H. Gurzert, Ph.D., F.BS., FCS. 
At the Aberdeen Meeting the authors had shown the great difference in both the 
chemical and the botanical characters of the herbage induced by different kinds of 
manure, each applied for three consecutive years on the same plot, in a portion of 
Mr. Lawes’s park, which had been laid down as meadow probably for some 
centuries. Now, after the continuance of the experiment for four years niore, they 
aye the results of a more complete botanical analysis of the produce. The full 
details were exhibited in Tables, and discussed at length; but the most important 
of them are embodied in the Table given herewith, and the general results may be 
shortly stated as follows :— 
Le 80 far as the general distribution of Graminaceous, Leouminous, and miscella- 
neous or weedy herbage, and the tendency to the production of leafy or stemmy 
produce and to early or retarded ripening, were concerned, the characters of the 
produce of the seventh season, 1862, were, in the main, similar to those before 
recorded of the third season, 1858. But there was considerable change in the 
relative predominance of certain species on particular plots. Dactylis glomerata, 
Festuca duriuscula or F. pratensis, Avena pubescens or A. flavescens, Poa trivialis ot 
P. pratensis, and Alopecurus pratensis had, respectively, become much more preva- 
lent on one or more of the plots, according to the description of manure employed. 
2. Unmanured, the mown produce consisted of 74 per cent. by weight of 
raminaceous, 7 per cent. Leguminous, and 19 per cent. miscellaneous or weedy 
herbage. It showed great variety, comprising about 40 species of plants, of which 
6 were Graminaceous, 4 Leguminous, and the remainder miscellaneous, and 
exhibited comparatively little predominance of individual species. Festuca durius- 
cula, F. pratensis, Avena pubescens, and A. flavescens were the most prominent; 
whilst the freer-growing grasses were in smaller amount, and a number of others 
in less proportion still. The crop was even, but very short, with little development 
of stem; and it was green, and comparatively late, at the time of cutting. 
3. Mixed mineral manures (superphosphate of lime, and sulphates of potass, soda, 
and magnesia) also gave about 40 species of plants; they increased the Graminaceous 
herbage comparatively little, and reduced the proportion in the produce both of it 
and the wusly herbage, but very greatly increased both the amount per acre and 
the proportion of the Leguminous plants Trifolium, Lathyrus, and Lotus, which 
tapithar contributed nearly one-fourth of the total produce. The description of the 
Graminaceous herbage was not very much altered from that of the unmanured land ; 
there was no striking predominance of individual species; but, compared with the 
produce by more productive manures, there was a pretty even mixture of most of 
the grasses occurring without manure, and those which did show any prominence 
were chiefly of the smaller and less free-growing kinds. The tendency to form 
stem and seed, and to early ripeness, was much greater than without manure. 
4. Ammonia salis alone gave a produce in which 33 species only were detected ; 
they considerably increased both the amount per acre and the proportion in the 
produce of the Graminaceous herbage, almost excluded Leguminous plants, and 
reduced the number and amount of miscellaneous or weedy species generally, but 
much increased the luxuriance of some few, particularly the Rumex acetosa, Bunium 
flexuosum, and Achillea millefolium. The proportions were nearly 88: per cent. 
Graminaceous, but a fraction of 1 per cent. Leguminous, and 113 per cent. mis- 
cellaneous herbage. The relation to one another of the Graminaceous species, as 
to amount, was much the same as without manure, excepting that Festuca durius- 
eula and Agrostis vulgaris were brought into much greater prominence, The in- 
