THE DISTRIBUTION OF MARINE PLANKTON. 409 



LIST OF SPECIES. 



List of Species to be recorded whenever and wherever possible, during 

 the year 1897:— 



Hcdosphacra viridis. 



Noctiluca miliaris. 



Aurelia aurita (including Eijhyrac). 



Agalmopsis. 



Mvrjgicca atlantica. 



Hormiphora plumosa. 



Be roe. 



Tomoptcris. 



Anomalocera Fatersoni. 



Doliolum. 



Salpa. 



Where the generic name only is given in the above list, the specific 

 name of the specimens taken should be added. Should any doubt 

 exist, preserved specimens should be kept. 



In making a record the following should be stated : — 



Date. 

 Hour. 



Locality. (With as much accuracy as possible.) 

 Depth. (Depth of water, and maximum depth at which 

 net has been worked.) 



r 0. Absent. 



1. Few only. 



2. Moderately plentiful. 



3. Exceptionally abundant. 



Quantity 



Observations on the temperature of the sea, and notes on wind, 

 tide, etc., will also be of value. 



llecords to be sent in before January 31st, 1898, or forwarded from 

 time to time to the Director, Marine Biological Association, Tlymouth. 



