eR es RS te 
is 4 Fina 
~ Y ‘ rs E 
788 STRATIGRAPHICAL GEOLOGY. ia [Boox VI. 
the latter are known as insect-beds.!_ With them are associated remains 
of terrestrial plants, cyprids, and molluscs, sometimes marine, sometimes 
NMG A 
CAA! 
WAN SX ' \ W 
SAT Ss ( 
S— SQA {| 
QOD! f 






S Yt 
A Z = 
. gS a 2 

Fie, 384.—Mippir Lias AmMonrres. 
a, Ammonites (Amaltheus) margaritatus (Mont.) (4); b, A. (A.) spinatus (Brug.) (3); 
c, A. (Aigoceras) Davei (Sby.) (4); d, A. (Al.) capricornus (Schloth.) (4); e, A. - 
(AL.) Jamesoni (Sby.) (4); f, A. (AE.) brevispina (Sby.) (1). 

Ug Brodie, Proc. Geol. Soc. 1846, p. 14; Q. J. Geol. Soc. v. 31, History of Fossil Insects, 
Js 
