director's eeport. 149 



The following is a list of the naturalists who have occupied tables at 

 the Laboratory since the publication of my last report {Journal M.B.A., 

 vol. V. p. 354) : — 



Aders, W. M., March 20th to April 17th, 1900 {Hydrozoa). 

 Beaumont, W. I., b.a., December, 1898, to May, 1900 {Ncmcrtina and 



Crustacea). 

 Bidder, G. P., b.a., January 1st to March 31st, 1899 (Pori/cra). 

 Browne, E. T., b.a., June 21st to August 31st, 1899 {Medusa;). 

 Bullen, E. G., February 20th to June 5th, 1899 (General Zoology). 

 Byrne, L. W., b.a.. May 19th to May 27th, 1899 (Fishes). 

 Cooper, C. Forster, July 22nd to August 3rd, 1899 (General Zoology). 

 Cooper, W. F., June 23rd to July 7th, 1899 ; March 24th to April 



14th, 1900 (General Zoology). 

 Fagan, H., August 19th to September 14th, 1899 (General Zoology). 

 Gardiner, E. G., October 30th, 1898, to April 28th, 1899 {Turhcllaria). 

 Harman, N. Bishop, b.a., m.b., December 29th, 1899, to January 12th, 



1900; March 22nd to April 7th, 1900 (Fishes). 

 Hill, M. D., M.A., January 12th to January 17th, 1900 {Alcyoniuvi). 

 Kimus, J., PH.D., March 25th to August 15th, 1899 {Crustacea). 

 Kent, W. Saville, August 14th to August 18th, 1899 (Fishes). 

 Lanchester, W. F., b.a., August 15th to September 11th, 1899 



{Phoronis). 

 MacBride, Prof. E. W., M.A., May 18th to July 20th, 1899 {Echino- 



derma). 

 Minchin, Prof. E. A., August 14th to August 23rd, 1899 {Porifera). 

 Philipps, Miss E. G., March 21st to April 10th, 1900 {Polyzoa). 

 Punnett, R C, b.a., August 19th to September 15th, 1899 {Elasmo- 



hranchs). 

 Willey, A., d.sc, April 11th to April 16th, 1900 {Polycha^ta). 

 Wolfenden, E. N., m.d., April 23rd to June 4th, 1900 {Plankton). 

 Woodcock, H. M, April 3rd to April 18th, 1900 {Hydrozoa). 



Eleven students attended Mr, Garstang's vacation class in Marine 

 Biology in 1899, and twelve students the class held during the Easter 

 vacation of the present year. 



An important improvement in the method of supplying sea-water for 

 experiments in the Laboratory has been made by the carrying out of a 

 scheme for obtaining water from the open sea beyond the Breakwater. 



Many experiments in the rearing of marine larvoe during recent 

 years have pointed to the fact that the best results can only be obtained 

 at Plymouth by the use of water taken at some distance from shore; 

 and it has been our practice for some time to bring in water in glass 

 carboys for special work of this kind. By this means, however, only 



