CONTENTS. 
jome Notes on a Visit to Lake Fundusi in the Zoutpansberg District 
of the Transvaal, Paid in August, 1917. By T. G. Tbevoe, 
A.E.S.M., Inspector of Mines. Communicated by Dr. A. W. 
Rogers. (With Plate III) . . . , 
Note on the So-called Second Branchial Arch in Lizards. By John 
Hewitt. (With one Text-figure) 
Note on Unimodular and Other Persymmetric Determinants. By 
Sir Thomas Mum, LL.D. . . . . . . 
Note on Certain Determinant Identities arrived at by H. v. Koch. 
By Sir Thomas Muir, LL.D, 
South African Perisporiaceae. Ill, Notes on Four Species of Meliola 
Hitherto Unrecorded from South Africa. By Ethel M. Doidge. 
(With Plate IV) . . . . . . . . . . 
South African Perisporiaceae. IV. New Species from the Coast 
Districts. By Ethel M. Doidge, M.A., D.Sc, RL.S. (With 
Plates V and VI) . . , 
Mycological Notes.— I. By Ethel M, Doidge .... 
Meliolaster, a, New Genus of the Microthyriaceae. By Ethel M. 
Doidge 
Some Controversial Notes on the Diamond. By J. R. Sutton, M.A., 
Sc.D., E.R.S.S.A., Hon. Memb. R. Met. S., Hon. Memb. S.A.S.C.E. 
(With one Text-figure) ........ 
South African Perisporiaceae. V. Notes on an Interesting Collection 
from Natal. By Ethel M. Doidge. (With Plates VII and 
VIII) . . ■. . . . . . 
Notes on the Shells of Schizoclesfna spengleri Linn. By J. D. E. 
Gilchrist, M.A., D.Sc, Ph.D. 
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