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 should 

 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.O. 

 Box 1497, Cape Tozvn. (Telegraphic address: "Scientific/' Cape Town.) 



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

 1497, Cape Town. 



REPRINTS. — Members desiring to h;v. iints 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. 



SUBSCRIPTIONS.- Subscriptions of £1 for the year ending 

 30th June, 1913, are now due. Members are requested to be so kind as to 

 remit the amount as soon as possible to the Assistant General Secretary, 

 P.O. Box 1. 197, Cape Town. Unles's such members pay the amount due at 

 an early date, great inconvenience and probably unnecessary expense will be 

 ry difficult to determine what number of copies of the Jour- 

 nal will be required. The Council therefore appeals to every member for 

 support and co-operation, and asks that outstanding subscriptions be paid 

 without delay. The Journal will be sent only to those whose arrear subscrip- 

 tions are paid. 



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

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

 country cheques for exchange. 



ELEVENTH ANNUAL SESSION— The 1913 Annual Session 

 of the Association will be held at Lourenco Marques during July. 

 Circulars with fall particulars will be issued at a liter date. 



Cape Town, 1st March, 1913. 



