. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. WATEB-SPIDEES AND WATEK-WOEMS. 279 their use. Many people who sell Medicinal Leeches crowd them together in a large stone bottle nearly full of water. A cloth is tied tightly over the mouth of the bottle to keep the unhappy captives from climbing out of their prison. They are thus kept in the dark as well as ia an unhealthy con- dition. The water, however, is occasionally cha
. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. WATEB-SPIDEES AND WATEK-WOEMS. 279 their use. Many people who sell Medicinal Leeches crowd them together in a large stone bottle nearly full of water. A cloth is tied tightly over the mouth of the bottle to keep the unhappy captives from climbing out of their prison. They are thus kept in the dark as well as ia an unhealthy con- dition. The water, however, is occasionally changed. Never- theless, it is a cruel and unwise way of keeping Leeches, and no wonder the sellers of them complain that they are delicate animals. Those who wish to possess Leeches should place them in a large, well-arranged, and securely-covered aquarium, where they will thrive and be seen to the best advantage. They, of course, must have no companions besides those of their own. Fig. 151. Medicinal Leech (Hieddo medicinalis). species, and even of their size; for not only will they feed upon fish, frogs, and the like, but also, at times, upon one another. The Medicinal Leeches, of which there are said to be three species, are the best known. They were formerly frequently used in medicine, but now only rarely. At one time there was such a demand for these creatures that they were with difficulty procured, until some Frenchman started what may be called leech-farming; and his venture was so successful, that leech-breeding became on the Continent quite an industry. The commonest Medicinal Leech {Hirudo mediemalis) (Fig. 164) is of a dark green colour, marked with six reddish-yellow bands along the back, and the imder-part of the body is greenish and spotted with black. Leeches are oviparous, and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfe
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaquariu, bookyear1890
