FRIEDRICH WELWITSCH. 11 
‘series of them will, there is every reason to believe, be retained in 
this country, Dr. Welwitsch having by will directed it to be offered at 
a fixed price to the British Museum. Of the sets, he directs the first 
two to go to the Portuguese Government, and another to the Academy of 
Lisbon ; the remaining sets are given to Dr. Schweinfurth, of Berlin, 
andolle, of Geneva, and the Botanical Museums of Berlin, 
Vienna, Paris, Copenhagen, Rio Janeiro, Carinthia, and Kew; a set 
the plants has been entrusted by the executors to Mr. Hiern, who, if 
preset will be assisted by Dr. Schweinfurth, of Berlin; in connec- 
tion with this it is intended to print for distribution with the sets a 
shea list of the whole collection, including such brief descriptions 
The whole of the general iechaviinn rine the fine Lusitanian collec- 
tion, as well as all books and instruments, and Dr. Welwitsch’s own 
series of African insects and m crelieaeay a sides all other eet 
mere are lett to the rr Academy of Sciences and Zoological 
Muse of Lisbon. Sets of the insects and mollusca are in 
Heciieddtind to Dr. Peters, of Berlin, and to the Museum of Carinthia. 
thus making his will in favour of Portugal, Dr. Welwitsch was 
actuated by the hope that his collections may form the nucleus of a 
great national “sewer which will promote “the study of Botany in 
that country; and he has directed that all surplus specimens shall be 
sold and the proceeds given to the Portuguese Government for the 
ndowing a conservator. Dr. Welwitsch concludes his 
i is last words :— 
make any a ch they 
that oul be fom grati ifying to me would be by fostering that herba- 
rium and museum of which I wish now to lay the foundation. 
The portrait prefixed to this notice is taken from a ase 
by Messrs. Maull and Co., of Piccadilly. 
Henry Truren, 
Original Articles. 
THE INFLUENCE OF INSECT-AGENCY ON THE DISTRI- 
BUTION OF PLANTS 
By F. Bucnanan Wurst, M.D. 
In urging botanists to study the influence that insect-agency has 
upon the distribution of plants (see vol x., p. 834), Mr, Bennett 
If Sphinx Convolvuliis the chief agent in the fertilisation of Convol- 
vulus sepiwm, then the reason why that plant seldom in Britain 
