CONTENTS.

FACTS AND OBSERVATIONS ON THE SALMON.

Introductory Observations

The Salmon enters and ascends Rivers for other purposes besides

Propagation

Suggestions for an alteration in the Laws regarding Salmon

Artificial Breeding of Fish

Artificial Propagation of Fish

Remarks on a Proposed Bill for the better Preservation of Salmon

LETTERS ON AGRICULTURAL SUBJECTS.

On the Cultivation of Wheat on the same Land in Successive Years

The Cultivation of Wheat

On the Gravelling of Clay Soils

Cotton

PAPERS ON NATURAL HISTORY.

Wrens' Nests

The Long-tailed Titmouse

Identity of the Green with the Wood Sandpiper

The Stoat

The Marsh Titmouse

Creeper

Wrens' Nests

Alarm-note of one Bird understood by other Species of Birds

Dates of the appearance of some Spring Birds in 1832, at Clitheroe

The Rook Serviceable to Man.--Prejudice against it

Sandpipers

On Birds Dressing their Feathers with Oil from a Gland

Mocking powers of the Sedge-warbler

The Water Ouzel

Scolopax, Sabines, Sabine's Snipe

Fish and other River Phenomena

Lampreys

On the Spawning of the Minnow

Eels

On the Possibility of Introducing Salmon into New Zealand and

Australia

On the Formation of Ice at the bottom of Rivers

On the Production of Ice at the bottoms of Rivers

Gossamer

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Essays in Natural History and Agriculture · 第 2 / 65 题