18 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 
Professor Herdman continued his work on the marine plankton 
of Port Erin Bay and on the Tunicata; Mr. Laurie, during 
two visits, at Haster and again in September, devoted much 
time and laborious work to the problem of ambicolouration 
in the plaice, of which so many examples have been observed 
in the Fish Hatchery during the past ten or twelve years ; 
Miss Bamber did some preliminary work upon the earlier 
larval stages of the common hermit crab (Hupagurus bernhardus) 
Miss Gleave continued her work upon the anatomy of the sea- 
lemon (Doris tuberculata), and Miss Stafford began a study of 
the well-known tube-building worm Terebella conchilega, with 
a view to an L.M.B.C. Memoir upon it. Miss Duvall collected 
material for a Memoir upon Balanus. 
Inst of Workers. , 
December 26th, 1916 to January 8th, 
1917. Professor Herdman— Official. 
March 22nd to April 11th. Mr. R. D. Laurie—Educational. 
pn V22mdet Ys 11th. Miss R. C. Bamber—Educational. 
wy Done ts 5th. Miss B. D. Tyrrell—General. 
| 22nd mt 5th Miss J. H. Hanley—General. 
Bet ened ey pth. =, Miss H. Midgley—General. 
5 | 22nd 3 5th. Miss P. E. Harris—General. 
» | 2ond $s) 5th. Miss C. M. Jarvis—General. 
5 22nd cf 5th. Miss C. Mayne—General. — 
| een aN 5th. Miss BE. M. Stephenson—General. 
au DQnd = 5th. Miss M. Howells.—General 
i Peon iS 5th. Miss M. S. Moss—General. 
Sy oou DT ie 5th. Miss S. Firth—General. 
son H2ne - 5th. Miss M. Quayle—General 
By 28th Me Ath. Miss H. M. Duvall—Cirripedia. 
DINE iene 20th. Professor Herdman—Plankton. 
ne Dna, th 20th. Miss E. C. Herdman—General. 
aa On, 5th. Miss L. M. Christian—General. 
April Tth to 13th. Miss E. L. Gleave—Doris. 
33 Nth to L3th. Miss L. Davies—General. 
ci dbheito Lath. Miss G. Andrew—General. 
»  odth to 19th. Miss C. M. P. Stafford—Terebella. 
July 24th to September 22nd. Professor Herdman—Plankton and 
Tunicata. 
24th my 22nd. .. Miss E. C. Herdman—Ceneral: 
September 19th to 26th. Mr. R. D. Laurie—Ambicolouration of 
young Plaice. 
) 
ee ea 
