about 2.30 

 * it k 



ho 



^ 



^ 



§ ea d uril 



ground, 

 ay, ang 



^. Trim. 



gravel, a« 



t about tt ; 



f SuowdoE 

 3h glacien 



9 being dt 

 f this drii 



the appear> 

 , scratehd 



en glacier: 

 as island: 



ve 



for unfe 

 ?sult, it i 



these swi 



*inly 



s coven* 

 the si*' 



n 



3 



from 



tl 



•like n; 

 tivelj *• 



sea 



> 



a» 





ents 



the 



r 



top 



oli 



;: 



blo<* s 



-vvn 



io 





OF NORTH WALES. 



21 



80. — Fine sifted moraine mud, marine, from Ceunant- upper 

 Mawr % near the top of Cium-Givynant, between Llyn- Ga ^ rt - 



Table-case 

 in Recess 41 



Gwynant and Pen-y-gwryd. 



portion 



Moraine mud and angular stones, in native pro- 



82. — Small angular and subangular stones, separated 



from the mud ; from the above locality. 



83. — Scratched slaty stone, from the above locality. 



84. — Fine moraine mud, with small angular gravel, 

 partly sifted, from thick banks of drift matter, full of local 

 fragments ; between Llyn-y- Gadcr and Yr Aran. 



85. — As above, with angular stones. 



86 — Slaty pebbles, scratched ; from same locality as 

 above. 



87. — Finely polished scratched slaty stone, as above. 



In this specimen the majority of the scratches run in the 



direction of the length of the stone. 

 83. — Drift clay moraine matter 



birth t: 



le that it 

 of the fon 



ncl ice ma; twecn Caernarvon and Llyn Cwellyn. 



with angular and 



r f l 



In this specimen some of the stones are rounded and 

 waterivom. The hill-side whence it was derived lies open 

 towards the sea. 



89. — Recent lake gravel, Llyn Pi 



Llanberis, 



Caernarvonshire. Collected to contrast the waterworn 

 shape of the stones with the angularity of the majority of 

 moraine and drift stones in the Case. 



Scratched and striated stones and boidders,from the ordinary 

 glacial marine drift of Anglesea, Lancashire, Norfolk, 

 and Suffolk. 



90 and 91. — Sub-angular smoothed and scratched 



slaty stones, from cliff of boulder clay on the coast, Yr 

 Henborth, Llanfairynghornwy, Anglesea. 





