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acid action alcohol animals appearance attack bacilli bacteria become body called cause cells cent clear colour connected consists contains covered dentine described Diatoms eggs entirely examined existence extremity fact fibres figure forms four give given glass illustrations inch increase individual insects interesting Journal larva leaves length less light living London mass material matter means membrane method microscope minute mounted myelin natural nerve object observed obtained ordinary organs particles pass plant plates portion preparation present Price probably produced pulp quantity remains removed Science seen showing shown side similar slide solution species specimens sputa sputum stage stained structure substance surface taken tion tissue tooth treated tube usually various violet washed whole Whooping-cough
Page 280 - that the actual seat of whooping cough is in the head, and that the affection of the respiratory organs is only to be considered as the secondary effect, or as an effort of nature to relieve herself by expanding the lungs to an unusual degree, and thereby allowing a greater quantity of blood to flow into them, which may in some degree diminish the fullness and congestion in the head.
Page 122 - It is, I think, generally assumed, not only that the world really exists as we see it, but that it appears to other animals pretty much as it does to us. A little consideration, however, is sufficient to show that this is very far from being certain, or even probable.
Page 20 - ... receptacle furnished with a filter in the lower end, An air-pump supplies air to the receptacle, and by its pressure forces the collodion through the filter, removing all impurities. The collodion flows into a horizontal tube armed with three hundred cocks having glass spouts pierced by a small hole of the diameter of the thread of a cocoon as it is spun by the silkworm. The spinner opens the cock and the collodion issues in a thread of extreme delicacy. This thread, however, is not yet fit to...
Page 94 - ... feet in height, roofed with, orchid-stems that slope to the ground, regularly radiating from the central support, which is covered with a conical mass of moss, and sheltering a gallery round it One side of this hut is left open, and in front of it is arranged a bed of verdant moss, bedecked with blossoms and berries of the brightest colours. As these ornaments wither they are removed to a heap behind the hut, and replaced by others that are fresh. The hut is circular and some 3 feet in diameter,...
Page 366 - ... the blood and other fluids found in the animal tissues. He describes a method by which media can be prepared directly from these fluids by a process which reduces the difficulties of manipulation to a minimum. Break up the white of a hen's egg with an egg-beater till it loses its consistency ; add 40 per cent, of water and mix well ; pass the mixture through muslin to remove any shreds of insoluble material; add oi per cent, of caustic soda, and solidify in the autoclave.
Page 110 - THE BRITISH REPTILES: A Plain and Easy Account of the Lizards, Snakes, Newts, Toads, Frogs, and Tortoises indigenous to Great Britain.
Page 215 - ... drawings like those which have been found in caves in France and in the cave at Thayngen. It was found in the lowest part of the yellow " Kulturschicht " among bones and teeth of reindeer, horses, and other animals. On one side are a horse, a foal, and a reindeer, while several horses appear on the other. The style is not so fine as that of the Thayngen drawings, but, according to Herr...
Page 129 - At the place where the upper tracheal sac contracts there is, moreover, a conical striated organ, which is situated at the back of the leg, just at the apical end of the upper tracheal sac. The broad base lies against the external wall of the leg, and the fibres converge inwards. In some cases I thought I could perceive indications of bright rods, but I was never able to make them out very clearly.
Page 329 - THE STUDY OF THE BIOLOGY OF FERNS BY THE COLLODION METHOD. For Advanced and Collegiate Students.