AUTHORS’ PREFACE. 
The following corrigenda bring the Catalogue up to the present elate :— 
Page 97, after line 8 (in species column), insert u Asthenotoma tatei, 
Cossman, South Australia/’ (Precise locality not recorded.) 
Page 102, last line, omit u 29.” 
Page 125, after line 14, insert “Chione etlieridgei, Pritchard, 24, 29.” 
Page 126, omit u 5,” line 6, and insert “5,” line 7. 
J. D. 
A. E. K. 
13th February, 1903. 
G 2 
