AUSTRALASIAN ASSOC. ADV. SC, VOL tl!., 1891. 



"12 ^4 afe 



:o tZ 21 EG 28 30 5e 34 16 iS 



42 44 46 46 SO 62 S4 



TO T2 



i8 «0 



24 2& 



3& 38 



4a 44 4:& 48 SO 52 54 



