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Updated: July 19, 2025
My booty comprises two species of Lamellicorns: Anoxia villosa and Euchlora Julii, both of whom I find in the perfect state, usually dead, but sometimes alive. I obtain a few of their nymphs, a great piece of luck, for the larval skin which accompanies them will serve me as a standard of comparison. I come upon plenty of larvae, of all ages.
You should derive much encouragement from the beginning you have made already." "How a beginning?" inquired a Butterfly. "I am alluding to your larval constitution as Caterpillars," returned the Philosopher. "Your advance upon that humiliating condition is, I admit, remarkable. I only wonder that it should not have proceeded much further.
Landois has observed another important fact, namely, that in the females of the Acridiidae, the stridulating teeth on the femora remain throughout life in the same condition in which they first appear during the larval state in both sexes.
The dorsal surface of the Slater is united to the larval skin a little behind the head. At this point, when the union has been dissolved a little before the change of skin, there is a foliaceous appendage, which exists only for a short time, and disappears before the young Slater quits the brood-pouch of the mother. Maggot-like larva of Ligia, magnified 15 diam. R remains of the egg-membrane.
If we examine at a certain season the nest of a humble bee, we shall find the occupants in every stage of growth from the egg to the pupa, and even to the perfectly formed bee ready to break out of its larval cell.
If it is difficult to attack it in the open it would also be useless. The greater part of its affairs are managed elsewhere, in our storehouses. The enemy establishes itself under our roof and is ready to our hand. By means of insecticides defence should be relatively easy. I have just witnessed a moving spectacle: the last moult of a locust; the emergence of the adult from its larval envelope.
Just before assuming the pupa state, the maggot leaves its peculiar dwelling place, descends into the ground and there becomes a pupa, though retaining its larval skin, which serves as a protection to it, whence it is called a "puparium."
So far, I have had no opportunity of actually perceiving with the first what I have to tell of the second; still, I do not hesitate to repeat about the one what observation has taught me about the other, for the larval analogies between the two flies are very close. Here are the facts. I have gathered a number of pupae of the flesh fly in one of my vermin jars.
In the little tank below, where the water lies so clear that everything is visible upon its bottom, one may see axolotls creeping. They are water-salamanders, but they have a strange history. Like frogs, they pass through a series of changes, and the larval is very different from the adult form. Our last evening at Huixquilucan, I went out to purchase native garments.
One is reminded of the patient who made suicidal attempts during the period when she shouted like a huckster, giving no evidence whatever by her expression or the tone of her voice of feeling anxiety, sorrow or any other normal emotion. All these queer and larval affective reactions remind one strongly of dementia præcox.
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