80)..=7: LIVERPOOL BIOLOGICAL SOCIETY. 
CIRRIPEDIA. 
Quantities of larval Balanus. 
AMPHIPODA. 
Gammarus neglectus. 
SCHIZOPODA. 
Several forms not identified. 
TUNICATA. 
Appendicularia. 
The tow-net was thrown over upon the “slowing” of 
the steamer at the various stopping places, and pulled 
along at or near the surface as specified for as long a time 
as the stopping of the engines allowed. 
Of the thirteen localities referred to and numbered 1 to — 
13, the first and last are upon the west coast of Scotland, 
and are therefore not included in this report. The 
information regarding each locality was furnished by 
Mr. Ryley from his note-book, the results obtained being 
given with each. 
The geographical distribution of the various species of 
Copepoda in our colder and warmer seas 1s very interesting, 
the former phase being remarkably illustrated by this 
collection. As we approach the north, number and size 
appear to compensate for diversity of species. It has been 
long known that the large and widely spread pelagic 
Copepod Calanus finmarchicus, Gunner, forms the chief food 
of the Greenland whale, and it will be noticed that in some 
of the localities about the North Cape at which Mr. Ryley 
collected, this species forms almost the entire mass in the 
tow-net. Its profusion here enables us to clear up a 
most interesting question. It has been often remarked 
that in this, as in some other species of Copepoda, the 
precise manner of ovi-position is mysterious, in as much 

