62 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 
our main conclusions, as published, and a comparison 
with the results for 1908, so far as these are yet known. 
I think it desirable 10 point out here that the sea off 
Port rin cannot be regarded as an exceptional locality. 
The narrow strait known as the Calf Sound (IV on map 
below), where the tidal currents run with great velocity 
is, no doubt, exceptional in some respects; but the open 
sea, five to ten miles off land (I and II on map), has no 
physical pecuharities such as would lead us to expect any 
unusual distribution of organisms. 
OFF “PORT ERIN Vihe:M: 
aie, ae, & i 5 Mies 
It may be useful to repeat here the same little map 
that I used last year in order to show the localities at 
which the gatherings were taken. The nets used, it will 
be remembered, were:—Two closing vertical nets, the 
Nansen and the Petersen-Hensen, a weighted and two 
surface, open, horizontal tow-nets, all made of No. 20 
bolting silk; and, in addition, a coarser silk tow-net 
(No. 6 silk) and a large-meshed shear-net (see fig. 15) 
only used occasionally. 
In the summer of the present year (1908) we used, 
in addition, another surface tow-net suspended from a 
