AUSTRALIAN SHEEP FARMING. 
681 
desquamated renal tubules, or casts and oily granules. In 
no instance has he found worms in an immature state, which 
shows that the eggs, in all probability, go through some other 
beast before they enter the swine, to become sexually mature. 
The symptoms in hogs which are referred to the “kidney 
worm” are due to a paralysis of motion in the hind legs; the 
hog drags the hind quarters along the ground from place to 
place in search of his food, although it is by no means proven 
that the worm is the real cause, unless some one is able to 
demonstrate its existence in some cerebro-spinal centre, or 
some point more likely to destroy the reflex power in the cord 
itself. 
The head and oral cavity are alike in male and female. 
The oral cavity is rather oval than round, and is surrounded 
by an hexagonal frame, each corner having a papilla and book- 
let, while each side is armed with six serrate teeth. Looking 
into the oral cavity, it is funnel-shaped, having three openings 
at the back, one of W'hich connects directly with the oeso- 
phagus, while the others appear to connect with the water 
vessels. The intestine is long and contains some pigment 
granules, arranged in dendritic forms, throughout its length; 
the whole is throwrn into convolutions, and gives an almost 
black appearance to the worm, except wffien the white 
oviducts distended with eggs, or the seminal vessels of the 
male, are folded over the intestine, when it has a white, mot- 
tled appearance. The caudal extremity of the female is 
spindle-shaped, but has tw T o little bursae higher up. In the 
male it is formed by three-lobed bursae, above which are two 
well-developed flexible spicula . — The American Journal of 
Science and Art . 
AUSTRALIAN SHEEP FARMING. 
Some weeks ago we commented upon the valuable reports 
made by the chief inspector of stock on the horses and cattle 
of Australia. The official report on the colonial flocks is now 
before us, and also contains much interesting information. 
In New South Wales the present number of sheep is estimated 
at upwards of sixteen millions. Since i860 the numbers 
have increased about one third. Such increase has resulted 
from the large importations of sheep from South Australia 
and Queensland ; from the heavier stocks which the fenced- 
in stations are now enabled to keep ; and also from the en- 
hanced price which has of late years been obtained for the 
best brands of wool. The drought during the latter part of 
