154 THE MEDALS OF CREATION. Cnap. VI. 
Proceedings of the Yorkshire Philosophical Society for 1849, 
p. 37 ; and another communication on the same subject by 
my friend Professor Williamson, of Manchester, in York. 
Phil. Trans. 1819, p. 45 ; to these papers I must refer for a 
detailed account of all that is at present known respecting 
their organization. 
Zamites MantTevu.* Lign. 48.—The leaves associated 
Lien, 48. FRUIT oF ZAMITES MANTELLI, (Brongniart); nat. 
From near Scarborough. 
The surface of the cone is concealed by the bractez. 
with the fruit here figured, have lanceolate leaflets that 
insensibly contract at the base, and are inserted obliquely 
* Podozamites of Braun. 
. 
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