His Essay on the Skin and Lungs, 118.

Advance of Chemistry, 119-122.

Caution in Chemical Reasoning, 123.

Respiration. What? 124.

Object of his Inquiry, 125.

Function of the Lungs, 126.

Of the Lungs and Skin, 127

Of the Covering of Animals, 128.

Of the Colour of Animals, 129.

Clothing of Birds, 130.

Variety of their Colour, 131.

Of Respiration by the Skin, 132.

Sanctorius Cruikshank Edwards, 133

Experiments, 134.

His Experiments in Quicksilver, 135.

Experiments in Water, 137.

Questionable Views of Carbonic Acid, 138.

Carbonic Acid: how Formed, 139, 140.

Experiments in Carbonic Acid, 141.

Absorption by the Skin, 142.

Experiments on his own Lungs, 143.

Immense Surface of the Skin, 144, 145.

Relation of Skin and Lungs, 146.

Relation of Lungs and other Organs, 147

Connection of Lungs with Organs, 148.

His Remarks on Consumption, 149.

On its Treatment, 150.

What Kind of Investigation Required, 151.

The Present State of Medicine, 152.

INDEX.

339

Comparative infrequency, 164.

Occasional Accidents, 165.

His Cautions important, 166.

His Rising Reputation, 167.

His Reputation at the Hospital, 168.

CHAPTER X.

His Clear Penetration, 169.

Third Part of "Psychological Essays," 170.

Pierre Joseph Dessault, 171, 172.

Dessault and Abernethy, 173.

Their Solution of a Difficulty, 174-177.

Abernethy's Improved Practice in Injuries of the

Head, 178, 179.

General Excellence of this Paper, 180, 181.

Importance of Recording Facts, 182.

CHAPTER XI.

Experiments on Irritability, 183, 184.

Of Galvanism, 185, 186.

Object of Abernethy's Experiments, 187.

Observations on Frogs, 188-190.

Of the Respiration of Fish, &c., 191.

Experiment on the Blood, 192.

On the Temperature of Animals, 193.

CHAPTER XII.

A Few Remarks on Experiments on Living Animals,

194, 195.

Claims of Physiology, 196, 197.

Experiments on Animals questioned, 198.

Those of Orfila inconclusive, 199.

Orfila. Charles Bell, 200.

Physiology a Science of Observation, 201.

Abernethy's Disapproval of Experiments on Living

Animals, 202, 203.

Absence of Cruelty necessary that the Reasoning may

be clear, 204, 205.

Coincidence of Moral and Scientific Objects, 206,

207.

Occasional Curious Results of Wounds of the Lungs,
222, 223.

His Remarks on Nævi, 224, 225.

Avoidance of Unnecessary Excision, 226.
Value of his "Surgical Cases," 227.
Hunter's Celebrated Improvement, 228.
Abernethy's Early Extension of it, 229.
Of Minute Holes in the Heart, 230.
Moves to Bedford Row, 231.

CHAPTER XIV.

Abernethy's Marriage, 232:

Of Apothegms, 233.
Table-Turning, 234.
How Eccentric, 235.
Common Sense, 236.
His Difficulty, 237.
Writes a Note, 238.

Married at Edmonton, 239.

Lectures on the same Day, 241, 242.

CHAPTER XV.

Of his Work, called "My Book," 243.

Expansion of his Views, 244.
Slow Progress, 245.

INDEX.

Imperfect Study of his Views, 246.
Importance of Simple Facts, 247.
Misconstruction of his Views, 248.
Mr. Hunter, 249, 250.
Popular Illustration, 251.

Facts observed by Mr. Hunter, 252.
Remarks on his Audience, 253.
Impressions on Abernethy, 254.
On a Great Evil, 255.
Consequences of it, 256.

Evils of Imperfect Induction, 257.
Important Inferences, 259.

Importance of Names, 260.

Evils of Partial Investigation, 261.

Illustrations of his Views, 263.

Clearness and Precision of his Remarks, 264, 265.

Misconception of his Views, 266.

Whence they originated, 267.
Popular Illustrations, 268-271.
Simple Nature of Odours, 272.
Vigilance of the Stomach, 273.
Abernethy's Illustrations, 274, 275.
Of Accurate Investigation, 276.
Its Essential Elements, 277.

66

CHAPTER XVI.

My Book" continued, 278.

341

Conduct of the Mind in Scientific Investigation, 280,
281.

Influence of Digestive Organs in Injuries of the Head,
282,283.

Influence of Digestive Organs in so-called Specific
Diseases, 284, 285.

Of Specific Poisons, 286, 287.

A Suggestive Case, 288.

Affections of Continuous Surfaces, 289.

Interesting Results, 290, 291.

Affect the Mind also, 292.

Mr. Boodle, 293.

Value of Abernethy's Principles, 294.

342

Recapitulations, 295.

INDEX.

Uncertainty of Medicines, 296.

Causes of Failure explained, 297.

Causes of Failure examined, 298.

Explanation of Phenomena, 299.

How Nature deals with Injurious Influences, 300—

303.

General Consequences, 304.

Of secondarily-affected Organs, 305.

Importance of Primary Organs, 306,

And of Discrimination, 307.

What Caution necessary, 308.

Author's Obligations to Abernethy, 309.

Impressions produced by "My Book," 310-312.

Slow Diffusion of his Principles, 313.

Reminiscences of Old Pupils, 314.

His increasing Practice, 315.

Importance of Patients understanding those Consulted,

Varied Currents of Human Affairs, 322, 323.

Smooth Water, 324.

High Estimate of Abernethy, 325.

Scientific Character of his School, 326.

Attended by Pupils of other Schools, 327.

Plate presented by Pupils, 328.

Pupils subscribe for a Portrait, 329.

Mr. Stanley's Demonstration, 331.

Painful Impressions in Prospect, 332.

Trials, 334.

END OF VOL. I.

LONDON:

Printed by Schulze and Co., 13, Poland Street.