130 



THE GEOLOaiST. 



Fig. 2. — Another piece of dried clay, from the same pond, sho\ying a long trail at a; 

 and other trails, //., k ; a bird's footprints [c) treading in an old trail at b,h i a new 

 gallery being formed at e subsequently to the bird's impressions on the soft mud ; /, 

 old footprint of another bird under new gallery ; orifice ; d, bubble-marks ; i, i, i, 

 rain-prints. (Nat. size.) 



part had become nearly dry.* In advance of these is a more faintly 



* Tliip minutely-spotted snrface reminds one of that portion of the woodcnt in 

 plate 7, in vol. ii. of the ' Geologist,' which is said to be " pitted with worm-holes in the 

 sheltered hollows." 



