The price of this Journal to the General Public is two shillings per copy. 

 Every member of the Association is supplied with one copy free, and may 

 obtain extra copies at one shilling per copy. Applications for copies shouT 

 be addressed to the Assistant General Secretary, P.O. Box 1497. Cape Town. 



The monthly numbers of the Journal are bound in such a manner as to 

 permit of the whole volume being bound together, at the close of the year* 

 in a style uniform with that of the Annual Reports hitherto issued by the 

 Association. 



CORRESPONDENCE.— All communications other than those 

 relating to the Journal should be addressed to the Assistant Secretary P 

 Box 1497, Cape Tozvn. (Telegraphic address: "Scientific," Cape town.) 



Communications for the Editor may also be addressed to P.O. Box No. 

 1 497> Cape Town. 



REPRINTS.— Members desiring to have reprints of papers 

 contributed by them at the PORT ELIZABETH MEETINGS are requested 

 to communicate with the Editor without delay stating the number of reprints 

 desired. Payment must be made in advance for copies of reprints in excess 

 of the number gratuitously supplied to authors. 



„ n SUBSCRIPTIONS.-Subscriptions of *J for the vear ending 

 «>Utn June, 1913, became due on the 1st Julv last. — Members are 

 requested to be so kind as to remit the amount as "soon as possible to the 

 Assistant General Secretary, P.O. Box 1497, Cape Town. Unless such 

 members pay the amount due at an early date, great inconvenience and pro- 

 bably unnecessary expense will be caused, as it is very difficult to determine 

 what number of copies of the Journal will be required. The Council there- 

 fore appeals to every member for support and co-operation, and asks that 

 outstanding subscriptions be paid without delay. THE [OURNAL WILL 

 BE SENT ONLY TO THOSE WHOSE ARREAR SUBSCRIPTIONS 

 ARE PAID. 



Cheques, etc., should be crossed and made payable to the Association, 



not to the Secretaries or Treasurer indiridiiallv. 6d. should be added to 

 country cheques for exchange. 



Cape Town, 1st May, 1913. 



