244 Transactions of the Society. 



5. Ostracods quickly produce a " desert." When tliey appear 

 it is time to sub-culture. 



6. We have discovered uo satisfactory method of keeping down 

 oligochffites except to sub-culture. They are very troublesome. 



7. Except under artificial control the amoebae are scarce and 

 very small during the spring months of the year. 



The following Literature List may be of use for reference : — 



For a full discussion on the nomenclature of A.-2)roteus the 

 reader is referred to — 



1. Note on the Specific and other Characters of A. protcus Pallas 

 (Lcidy), A. discoides spec, nov., A. duhis spec, nov., by A. A. Schaeffer, 

 Arch, tiir Protistenkunde, Siebeiiunddreissigster, Band 1916. 



2. Some Ohscrvations on A. p>''''Jtc^'-s, by L. A Carter, S.X.D., 

 Proc. Eoyal Phys. Soc, Edin., Vol. XX. Part 4. 



Other references to culture methods — 



1. A Method of Ohtaining a Supply of Protozoa, by J. B. Parker, 

 Science, N.S., Vol. XLIL Xo. 1090, p'. 727 (1915). 



2. Journ. Exp. Zool., Vol. XXIV, No. 1, by Libbie H. Hyman. 



3. Journ. Exp. Zool., Vol. XX, Xo. 4, by Asa A. Schaeffer. 



4. Siipplics of Amcelm proteus for Laboratories, h\ J. Graham 

 Kerr, Nature, No. 2557, Vol. 102. 



5. Proc. Eoyal Phys. Soc, Edin., Vol. XX, Part 4, by Monica 

 Taylor. 



6. Aquarinrn Culitcres for Biological Teaching, bv Monica 

 Taylor, Nature, No. 2634, Vol. 105, p. 232. 



