Zoonomia; Or, the Laws of Organic Life, Vol. I

by Erasmus Darwin

Petechiæ, [xxvii. 2].

Pigeons secrete milk in their stomachs, [xxxix. 4. 8].

Piles, [xxvii. 2].

Placenta a pulmonary organ, [xxxviii. 2].

Pleasure of life, [xxxiii. 1]. [xxxix. 5].

—— from greater fibrous contractions, [xii. 1. 6].

—— what kind causes laughter, [xxxiv. 1. 4].

—— what kind causes sleep, [xxxiv. 1. 4].

Pleurisy, periods of, [xxxvi. 3. 7].

—— cause of, [xxxv. 2. 3].