Part II., containing the Lower Palæozoic Mollusca, is in the press.
THOUGHTS ON A PEBBLE; or, a First Lesson in Geology. By Dr. Mantell, F.R.S. Eighth Edition, considerably enlarged. With four coloured plates, twenty-seven woodcuts, and a Portrait of the Author. Square 12mo. 5s.
"I have just procured a little work for my young pupils, a most delightful introduction, entitled 'Thoughts on a Pebble, or a First Lesson in Geology,' by Dr. Mantell, and I must request you to read it; for although it does not consist of more than thirty pages [increased in the present edition to upwards of a hundred] it will expand to your view a new world that will astonish and delight you."—Philosophy in Sport.
MISCELLANEOUS.
ELEMENTARY PHYSICS; an Introduction to the Study of Natural Philosophy. By Robert Hunt, Professor of Mechanical Science at the Government School of Mines, Author of 'Poetry of Science,' 'Researches on Light,' and 'Handbook to the Great Exhibition.' Illustrated with a coloured frontispiece, and 217 vignettes and wood engravings. Fcap. 8vo, cloth. 10s. 6d.
CONTENTS.
Chapter I. General Properties of Ponderable Matter.
Chapter II. General Laws of Motion.
Chapter III. Laws of Slightly Elastic Fluids.
Chapter IV. Laws of Elastic Fluids.