1. Our Six-footed Rivals.

II. The Atmosphere considered in its Geological Relations.
III. On Scientific Method.

IV. Cornish China Clay.

V. The Significance of the Phenomena of Ontogenesis, in
reference to the Evolution Hypothesis.

NOTICES OF SCIENTIFIC WORKS.

Darwin's "The Effects of Cross- and Self-Fertilisation in the
Vegetable Kingdom."

Darwin's "The Various Contrivances by which Orchids are Fertilised
by Insects."

Williams's "Through Norway with Ladies."

Hobson's "The Amateur Mechanics' Practical Handbook."

Unwin's "The Elements of Machine Design: an Introduction to the
Principles which Determine the Arrangement and Proportions
of the Parts of Machines, and a Collection of Rules for
Machine Design."

Nicholson's "The Ancient Life-History of the Earth, a Comprehen-
sive Outline of the Principles and Leading Facts of Palæon-
tological Science."

Crespigny's "A New London Flora, or Handbook to the Botanical
Localities of the Metropolitan Districts."

Smith's "Ferns, British and Foreign; the History, Organography,
Classification, and Enumeration of the Species of Garden
Ferns, with a Treatise on their Cultivation."

"Narrative of the North Polar Expedition. U.S. Ship Polaris, Capt.
C. F. Hall commanding."

Verifier's "Scepticism in Geology, and the Reasons for it."

Higgins's "A Treatise on the Law relating to the Pollution and
Obstruction of Water-courses, together with a Brief Summary
of the Various Sources of Rivers Pollution."

Kutter's "The New Formula for Mean Velocity of Discharge of Rivers
and Canals."

Bosanquet's "A Treatise on the Trisection of an Angle of Thirty
Degrees, and of any other Plane Angle."

(Including the Proceedings of Learned Societies at Home and Abroad, and
Notices of Recent Scientific Literature).