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Show ANNOTATIONS AND ADDITIONS. 255 ration of the political independence of Chili, the Condor appeared on the coinage as the symbol of strength. (Claudio Gay, Historia :fisica y politica de Chile, publicada bajo los auspicios del Supremo Gobierno; Zoologia, pp. 194-198.) Far more useful than the Condor in the great economy of Nature, in the removal of putrefying animal substances and in thus pm·ifying the air in the neighborhood of human habitations, are the different species of Gallinazos, of which the number of individuals is much greater. In tropical America, I have sometimes seen as many as 70 or 80 assembled at once round a dead animal; and I am able, as an eye-witness, to confirm the fact long since stated, but which has recently been doubted by ornithologists, of the whole assembly of these birds in such cases taking flight on the appearance of a single king-vulture, who yet is no larger than the Gallinazos. No combat ever takes place; but the Gallinazos (the two species of which, Cathartes urubu and C. aura, have been confounded with each other by an unfortunately fluctuating nomenclature) appear to be terrified by the sudden appearance and courageous demeanor of the richly colored Sarcoramphus papa. As the ancient Egyptians protected the bird which rendered them similar services towards the purification of their atmosphere, so in Peru the careless or wanton killing of the Gallinazos is punished with a fine, which in some towns amounts, according to Gay, to 300 piastres for each bird. It is a remarkable circumstance, stated so long ago as by Don Felix de Azara, that these species of vultures, if taken young and reared, will so accustom themselves to the person who feeds them, that they will follow him on a journey for many miles, flying after the wagon in which he travels over the Pampas. (B) p. 228.-" Thei1· rotating bodies." Fontana, in his excellent work "Uber das Viperngift," bd. i. s. 62, relates that he succeeded, in the course of two hours, by means of a drop of water, in bringing to life a rotifera which had lain for two years and a half dried up and motionless. On the action and effect of water, see my "V ersuche tiber die gereizte Muskel-und Nervenfaser," bd. ii. s. 250. What has been called the revivification of Rotiferre, since observa- |