AUSTRALASIAN ASSOC. ADV. SJ., VOL- 111., 1891. 



PLATE VIU . 



J9.6.Hr. TtMBERS. 



CROSS BREAKING . 

 DmGRJIMS SHEWm/C LOJIDS k DEFLECTtOMS . 



To -mush^a-ijR J'sJte.r l>y I^of : Warrey*. . 



