Chapter

 1 XI     |             s service for the whole period of his scientific researches,
 2 XIV    |     disappear altogether during the period of the eruption. For the
 3 XV     |             through.~But at a later period a wide chasm formed diagonally
 4 XV     |            hillocky masses. To this period belong the felspar, syenites,
 5 XIX    |       deposits formed in the second period, these shales, limestones,
 6 XIX    |               Well?”~“We are at the period when the first plants and
 7 XX     |        history of the carboniferous period was written upon these gloomy
 8 XX     |        which preceded the secondary period, the earth was clothed with
 9 XX     |            owe their origin to this period of profuse vegetation. The
10 XXX    |          entire flora of the second period of the world — the transition
11 XXX    |          the world — the transition period. These, humble garden plants
12 XXX    |       belonged to a late geological period, the Pliocene, just before
13 XXX    |         earth only in the secondary period, when a sediment of soil
14 XXX    | incandescent rocks of the primitive period.”~“Well, Axel, there is
15 XXX    |           of the fact. At a certain period the earth consisted only
16 XXXII  |           reptiles of the secondary period, and finally the fish, the
17 XXXII  |         zoophytes of the transition period also return to nothing.
18 XXXIII |           the seas of the secondary period. They possessed a perfect
19 XXXVII |        armadilloes of the pleiocene period, of which the modern tortoise
20 XXXVIII|             relic of the quaternary period seemed to be incontestably
21 XXXVIII|           animals of the quaternary period. My uncle Liedenbrock, along
22 XXXVIII|            of man in the quaternary period seemed to become daily more
23 XXXVIII|        mammals of the post-tertiary period. But in the presence of
24 XXXVIII|          doubt in the post-tertiary period considerable commotions
25 XXXIX  |          vegetation of the tertiary period in its fullest blaze of
26 XXXIX  |     abundant enough in the tertiary period, which first gave birth
27 XXXIX  |           ruminant animals at every period. Then I observed, mingled
28 XXXIX  |            shepherd of the geologic period.~We stood petrified and
29 XLII   |          are still in the primitive period. But we are going up, up,
30 XLII   |        shall come to the transition period, and then —”~What did the