SOMK LOCAL DKTAILS. 



I!)!) 



U)\\i\u\ tho iiiouiitiiiii. Oil Hi,. nlj„.iiit,.,l surl'iKM! lies 



liollMcr cliiy hoMilln' luciil nil, I triivrllnl lioul.liTs. AIh.vo 

 this is chiy iiiid simd in layers, with iiiiiiicfdiis shells (pf 



iiiiiiiy sjti'cics, cjijiiicd I(\' sand 

 and gravel (illcd with Saxirjiva. 

 On the siii't'acc arc liciv ami 

 there ^rniips ,i|' LaureiilJaii 

 h'Milders. A few years a,u'<» all 

 these apiK'aranees were well 

 £ I seen, hut at present the (piarry- 

 ;,•. I iii^(»|»eruti(»iis have lieen eariied 

 1 7. Inward tJK! S. jv side of the 

 I ^ ridoe where tlu! eroded surface 

 ~ ? itf the limestone is covered only 

 ^i with a little soil. Farthei' oiteii- 

 ■iX iiin' to the (sastward inav iiwiin 

 f| expose the glacial deposits. The 

 ^1 a)>i)earanees at this ])lace are, 

 ft I think, eoiielusive as to the 

 action of tloatins'' ice driftiim' 

 irp the river valley from the 

 N.K. The direction of striatioii 

 and of movement of material 

 and the marine eluiracter of 

 the (le|»osits all testify to this. 

 AVe have already seen that 

 heaches hohling littoral shells 

 uccur at Montreal mountain 

 south-west of this Hmestone 

 plateau up to a height of 470 feet, and at one place in the 

 mountain toward its northern side there is a small plain, 

 in the suhsoil of which there occur shallow-water shells 





O X! 



d-i) -ri 



