SPONTANEOUS CONGESTION AND INFECTIOUS DISEASES. 75 7 
or if moved, as above provided, into such defined part, shall 
not be removed therefrom alive, but shall be slaughtered 
within such defined part. 
7. The swine, if any, so affected shall be slaughtered at 
the landing-place. 
8. The swine, if any, not so affected, shall either be 
slaughtered at the place of landing, or if, at the port at which 
they are landed, there is a part defined for slaughter, they 
may, with the permission of the Commissioners of Her 
Majesty’s Customs, be removed into such defined part. 
9- The swine, when landed within a defined part of a port, 
or if moved as above provided, into such defined part, shall 
not be removed therefrom alive, but shall be slaughtered 
within such defined part. 
6. Sheejo-Pox. 
When sheep-pox has been detected in one or more of a 
cargo of animals, the whole of the sheep forming any part of 
such cargo shall (subject to Regulation No. 1) be detained 
and slaughtered at the place of landing. 
7. Sheep-Scab. 
When sheep-scab has been detected in one or more of a 
cargo of animals, all the sheep forming any part of such 
cargo shall (subject to Regulation No. 1) be detained and 
slaughtered at the place of landing, or if, at the port at which 
they are landed, there is a part defined for slaughter, they 
may, with the permission of the Commissioners of Her 
Majesty’s Customs, be removed into such defined part for 
the purpose of such slaughter. 
THE QUESTION OE SPONTANEOUS GENERATION AND THE 
PROPAGATION OE INFECTIOUS DISEASES. 
At the meeting of the British Association held at Liver- 
pool, Professor Huxley, the president, in the course of his 
inaugural address proceeded to discuss the long-vexed ques- 
tion of spontaneous generation as it has been treated by a 
succession of eminent inquirers in Italy, in Germany, and in 
France — from Spallanzani to Pasteur. He concluded an 
exhaustive abstract of the labours and investigations of those 
illustrious discoverers as follows: — 
“ To sum up the effect of this long chain of evidence, it is demonstrable 
that a fluid eminently fit for the development of the lowest forms of life, 
xliii. 50 
