[C5]

All I believe that all persons who admit at each step in the [illeg] of the [2 words illeg] so was the [2 words illeg] the gradual evolution of each step of the [2 words illeg] of organic beings from the lowest form & oldest forms will admit that no difficulty is so great as the scarcity of organisms in the oldest most ancient sedimentary strata.

Hence it appears as if each great division of the animal Kingdom at first sight, that whole group of organisms, by no mens existing low in the scales had arisen suddenly abruptly.

Under a single geological point of view it is the rarity entire absence or extreme rarity of fossils in the Cambrian strata is a fact most extraordinary fact, more especially as we now know that many areas extend it to greater depth a remark by Mr Davidson.