2. Works of Reference.
A Manual of Palæontology. 2 vols. By Prof. Alleyne Nicholson, and R. Lydekker.
The Life-History of the Earth. By Prof. Alleyne Nicholson.
Origin of Species. By C. Darwin. Also The Journal of Researches.
The Old Red Sandstone. By Hugh Miller.
Sketch Book of Popular Geology. By Hugh Miller.
Early Man in Britain. By Prof. Boyd Dawkins.
The English Encyclopedia. (The 2 vols. on Natural History contain much information on extinct animals.)
The Encyclopedia Britannica. Ninth Edition.
Memoirs of the Ichthyosauri and Plesiosauri. By Thos. Hawkins.