Transcriber’s Notes
Some minor typographical errors have been corrected silently; spelling inconsistencies have been retained (écraseur / ecraseur, cryptorchids / criptorchids, etc.).
Illustrations have been moved outside text paragraphs.
Ditto characters („) in the table of contents have been replaced with the dittoed text.
Advertisement page 8: Lecocq has been replaced with Lecoq.