MARINE BIOLOGICAL STATION ON PUFFIN ISLAND. 381 
fuls of these brought home have been examined by Miss 
L. R. Thornely who finds in them 18 species of Polyzoa, 
of which 3 (Cellaria fistulosa, Cellepora avicularis and 
Bowerbankia pustulosa) have not been previously recorded 
from Hilbre; and 22 species of Zoophytes of which 8 are 
new to the locality. 
THE SHRIMP ENQUIRY. 
The collection of statistics in regard to the life-history 
and habits of the common shrimp (Crangon vulgaris) in 
this neighbourhood has been continued for a second year. 
The circulars asking a few simple questions such as a 
shrimper could readily answer were taken charge of at the 
five fishing centres by the same gentlemen who kindly 
helped me in the matter last year, viz., Mr. T. Comber, 
F.L.S., and Mr. Comber, Junr. (Parkgate), Mr. R. L. 
Ascroft (litham), Mr. A. Leicester and Dr. Chaster 
(Southport), Mr. A. G. Haywood (Crosby), and Mr. Henry 
Isaacs (Hoylake); and most of the circulars have been 
returned to me, duly filled up, with regularity throughout 
the twelve months. I wish to express my acknowledg- 
ments to all those friends for their hearty co-operation. 
I know a few of them have had some difficulty and 
trouble in collecting the information—for example, one of 
my correspondents writes to me that he could not get 
continued replies to the enquiries ‘‘ because a tory 
canvasser spread the report that I had a political purpose 
In view.” | 
The questions asked for each month were :—‘‘(1) Have 
shrimps been plentiful this month; what was the average 
catch per boat? (2) Were they of large size? (38) Were 
any young or immature ones seen? (4) Had any of them 
egos? (5) In what locality were they caught? (6) In 
what depth of water, and on what bottom? (7) What 
