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When the workers in turn require a meal, they go up to the nearest honey-bearer and stroke her gently with their antennæ. The honey-bearer thereupon throws up her head and regurgitates a large drop of the amber liquid.
This is the most frequent form of valvular disease of the heart, and is due to a shortening or thickening of the valves, or to some adhesion which does not permit the valve, to close properly, and the blood consequently regurgitates from the left ventricle into the left auricle during the contraction of the ventricle.
"My dear fellow," said Jervis, "Thorndyke never forgets a likely case. He is a sort of medico-legal camel. He gulps down the raw facts from the newspapers or elsewhere, and then, in his leisure moments, he calmly regurgitates them and has a quiet chew at them. It is a quaint habit. A case crops up in the papers or in one of the courts, and Thorndyke swallows it whole.
Sometimes when the stomach is dilated the pylorus becomes insufficient, and bile regurgitates into the stomach, and is a cause of the profound nausea and vomiting arid the subsequent collapse. In these cases Henderson: Am. Jour.
If he regurgitates the food out of his crop to feed his young he rests his bill against his breast. That gave rise to the belief that it tore open its breast in order to feed its young with its blood. From early times the pelican is therefore used as a symbol of Christ, who shed his blood for mankind.
The individual thus requested never refuses; it sets apart its mandibles, takes a proper position, and regurgitates a drop of transparent fluid which is licked up by the hungry ant. If an ant which has its crop full has been selfish enough to refuse feeding a comrade, it will be treated as an enemy, or even worse.
"My dear fellow," said Jervis, "Thorndyke never forgets a likely case. He is a sort of medico-legal camel. He gulps down the raw facts from the newspapers or elsewhere, and then, in his leisure moments, he calmly regurgitates them and has a quiet chew at them. It is a quaint habit. A case crops up in the papers or in one of the courts, and Thorndyke swallows it whole.
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