NOTES 
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26 79 Heliantkaster and others. 
26 80 Calceola sandalina, Pleurodictyum problematicum. 
26 8 1 PhilKpsastroea. 
26 82 Paltfopaleemon. 
26 87 Spirophyton, Ccelotrochium. 
26 90 This plant may be a connecting link between the Rhizocarp 
and the Club-mosses. Dawson, " Geological History 
of Plants," p. 64. 
26 92 Lepidodendra. 
27 99 Equisetacete. 
27 103 Psaronius, Caulopteris Lock-woodi. 
27 114 Dadoxylon, Ormoxylon, Cordaites. 
27 121 Pines and their allies are the lowest form of the 
Phanerogams (flowering plants), and a connecting 
link with the Cryptogams (flowerless plants). 
28 128 Platephemera. 
28 130 Lithentomum, botnothetus. 
28 1^1 Xenoneura. 
28 132 Dawson cited by Nicholson, "Ancient Life History of the 
Earth," p. 145 
28 134 Kampecaris, Archidesmus. 
CARBONIFEROUS PERIOD 
30 4 Jukes-Browne, " The Building of the British Isles," p. 109. 
30 II ;'., p. 123. 
30 14 Dana, " Manual of Geology," p. 633. 
30 1 6 It has been estimated that a cubic inch of chalk contains 
more than a million microscopic organisms, chiefly 
shells of rhizopods. Dana, p. 860. 
30 20 The mountain Limestone forms the general base of the 
Carboniferous strata, and is generally succeeded by 
beds known as the Millstone Grit. 
226 
