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Updated: May 2, 2025
With these facts before me, I believe that natural selection, by acting on the fertile ants or parents, could form a species which should regularly produce neuters, all of large size with one form of jaw, or all of small size with widely different jaws; or lastly, and this is the greatest difficulty, one set of workers of one size and structure, and simultaneously another set of workers of a different size and structure; a graduated series having first been formed, as in the case of the driver ant, and then the extreme forms having been produced in greater and greater numbers, through the survival of the parents which generated them, until none with an intermediate structure were produced.
Thus in Eciton, there are working and soldier neuters, with jaws and instincts extraordinarily different: in Cryptocerus, the workers of one caste alone carry a wonderful sort of shield on their heads, the use of which is quite unknown: in the Mexican Myrmecocystus, the workers of one caste never leave the nest; they are fed by the workers of another caste, and they have an enormously developed abdomen which secretes a sort of honey, supplying the place of that excreted by the aphides, or the domestic cattle as they may be called, which our European ants guard or imprison.
To the British Minister they denied, they forswore, they renounced; and yet the man of the best head in all their councils, being asked by Lord Stair what they intended to do, answered, before he was aware, that they pretended to be neuters. I leave you to judge how this slip was taken up.
For, whatever be among meliponæ the distribution of the generative capacities, among hive bees, at any rate, all workers are sterile neuters, which never have any offspring to whom to bequeath their cellmaking skill, while the queen bee and drones, which alone can become parents, have no such skill to bequeath.
With these facts before me, I believe that natural selection, by acting on the fertile parents, could form a species which should regularly produce neuters, either all of large size with one form of jaw, or all of small size with jaws having a widely different structure; or lastly, and this is our climax of difficulty, one set of workers of one size and structure, and simultaneously another set of workers of a different size and structure; a graduated series having been first formed, as in the case of the driver ant, and then the extreme forms, from being the most useful to the community, having been produced in greater and greater numbers through the natural selection of the parents which generated them; until none with an intermediate structure were produced.
The question, indeed, with regard to resistance, was a point which entered into the controversies of the old parties, cavalier and roundhead; as it made an essential part of the present disputes between court and country. Few neuters were found in the nation: but among such as could maintain a calm indifference, there prevailed sentiments wide of those which were adopted by either party.
F. Smith has shown that the neuters of several British ants differ surprisingly from each other in size and sometimes in colour; and that the extreme forms can be linked together by individuals taken out of the same nest: I have myself compared perfect gradations of this kind.
The Lords, aware of the insecure footing on which they stood, were careful not to provoke the hostility of the Commons. Clarend. Pap. iii. 423, 424, 425, 428, 432, 434, 436. There were forty-seven republicans; from one hundred to one hundred and forty counterfeit republicans and neuters, seventy-two lawyers, and above one hundred placemen. Ibid. 440.
Wallace, without one touch of satire, 'force themselves upon the attention of everyone who visits the tropics. They do, indeed, and that most pungently; if by no other method, at least by the simple and effectual one of stinging. The majority of ants in every nest are of course neuters, or workers, that is to say, strictly speaking, undeveloped females, incapable of laying eggs.
The massacre or expulsion of the drones would have to impress itself on the germ-cells of an onlooking queen, and the imprisonment of the queen on the sperm-cells of the drones and in such a way, moreover, as to be afterwards developed into action in the neuters only.
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