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Another is given in the history of the Acarus Crossii, which may be only the ultimate stage of a series of similar transformations effected by electric agency in the solution subjected to it. There is, however, one direct case of a translation of species, which has been presented with a respectable amount of authority.

I have had the good fortune to observe the different stages of a bird mite, intermediate in its form between the Acarus and Sarcoptes, or Itch mite. On March 6th, Mr.

Weekes's acarus should show himself all of a sudden, as they said he did, in certain mineral mixtures acted on by electricity. The Landlady was off soundings, and looking vacant enough by this time. The Master turned to me. -Don't think too much of the result of our one experiment.

"Saint Didorus, Archbishop of Cappadocia, desired that this single word might be inscribed on his tomb: Acarus, which signifies, a worm of the earth; this was done. Is this true?" "Yes, reverend Mother." "The blessed Mezzocane, Abbot of Aquila, wished to be buried beneath the gallows; this was done." "That is true."

The streets were irregularly laid out, and overrun with weeds and bushes swarming with "mocuim," a very minute scarlet acarus, which sweeps off to one's clothes in passing, and attaching itself in great numbers to the skin causes a most disagreeable itching. The few whites and better class of mameluco residents live in more substantial dwellings, white- washed and tiled.

While many of the mites are parasitic on animals, some are known to devour the eggs of insects and other mites, thrusting their beaks into the egg, and sucking the contents. Shimer has observed the Acarus? malus sucking the eggs of the Chinch bug.

Having heated at a lamp the point a little bit of hard wood, she dug with it into the furrows that marked the skin. After long examination, she announced with the pedantic gravity peculiar to the mulatto race, that an arador was found. I saw a little round bag, which I suspected to be the egg of an acarus.

No one who has not lived and moved about amongst the bush of the tropics can appreciate what a torment the different parasitical species of acarus or ticks are. On my first journey in Northern Brazil, I had my legs inflamed and ulcerated from the ankles to the knees from the irritation produced by a minute red tick that is brushed off the low shrubs, and attaches itself to the passer-by.

But suppose, even, that the Acarus Crossii were admitted to be a real product of Galvanic action on the silicate of potash, and an undeniable instance of "a non-generative origin of life," how would the illustrative example accord with the author's general theory?