xlvi 
Transactions of the Boyal Society of South Africa. 
Hamburg. 
Hamburgische Wissenschaftliche Anstalten. 
Jahrbuch, Jahrgang xxviii., 1910, Beiheft 1, 2, 3, 4 (1, Teil ; 
2, Teil), 5, 6, 7 ; Jahrgang, xxvii., 1909 ; Beiheft 1, 2, 3, 4, 5, 6. 
Hamilton, Canada. 
Hamilton Association for the Cultivation of Science, Literature, and 
Art. 
Journal and Proceedings, Session 1907-8, No. xxiv. 
NDIANAPOLIS, InD., U.S.A. 
The Indiana Academy of Science. 
Proceedings, 1910. 
Johannesburg. 
Chemical, Metallurgical, and Mining Society of South Africa. 
Journal, vol. xii., Nos. 5, , , 8, 9, , 11, 12 ; vol. xiii., Nos. 1, 
2, 3, 4. 
Transactions of the Geological Society of South Africa, vol. xiv., 
July-Dec, 1911, pp. 71-131 ; vol. xv., Jan.-June, 1912, pp. 1-76. 
Proceedings of the Geological Society of South Africa. 
Minutes of Meetings and the Discussions on Papers read during 
1911, to accompany vol. xiv. of the Transactions. 
Proceedings, to accompany vol. xv. of the Transactions, Jan.-June, 
1912, pp. i-lxxxii. 
Transvaal Observatory. 
Circular, No. 13, Jan. 9, 1912. 
Lausanne. 
Societe Vaudoise des Sciences Naturelles. 
Bulletin, 5-S., vol. xlvii., Nos. 173, 174; 5-S., vol. xlviii, 
Nos. 175, 176. 
Leipzig. 
Koniglich-Sachsischen Gesellschaft der Wissenschaften zu Leipzig. 
Berichte, Mathematisch-Physische Klasse, Band Ixiii., Nos. iv., 
v., VI., vii., xiii., ix. ; Band Ixiv., Nos. i., ii. 
Abhandlungen, Mathematische-Physische Klasse, Band xxxii., 
Nos. iii., iv., v. 
Gesellschaft fiir Erdkunde zu Leipzig (formerly Verein fiir Erdkunde 
zu Leipzig). 
Mitteilungen. Fiir das Jahr 1911. 
Lille. 
Societe Geologique du Nord. 
Annales, xxxix., 1910. 
