RAIN-MARKS IN MARINE ALLUVIUM. 



27 



Fig. 1. 



Fig. 2. 



Fig. 3. 



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H* 







:^i^4' 



*, *^" 



.- r 



Fi- h. 



Fig. 4. 



Fig. 1.— Impressions of Rain-Drops.— Modern.— Bay of Fundy. 



„ 2.— Impressions of Rain-Drops.— Carboniferous Tatmagouche. 



„ 3.— Impressions of Continued Kiiin. — Carboniferous. 



„ 4.— Slirinkagc Craclcs and Rain Marks.— Carboniferous. — Reduced in size. 



„ 5.— Cast of Rill Marks. — Carboniferous. — Reduced in size. 



