L'histoire naturelle des insectes : composé de leur architecture, des transformations, des sens, de l'alimentation, des habitudes, de collecte, de conservation et d'arrangement . om, à condition qu'elle surfacela portée n'avait pas été auparavant, ofrepair ou désertée par ses habitants. * Les fourmis sont extrêmement bien à l'abri dans theirchambers, le plus grand de ce qui est placé près du centre de l'édifice ; il est beaucoup plus thanthe reste, et traversé seulement par les poutres qui sup-port le plafond ; c'est dans cet endroit que tous les gal-leries de résilier, et cela constitue, pour la plupart, leur résidence habituelle. Undergrovmd ^ Qu'à la partie,

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Natural history of insects : comprising their architecture, transformations, senses, food, habits--collection, preservation and arrangement . om thesurface, provided it had not been previously out ofrepair, or deserted by its inhabitants. * The ants are extremely well sheltered in theirchambers, the largest of which is placed nearly inthe centre of the building; it is much loftier thanthe rest, and traversed only by the beams that sup-port the ceiling; it is in this spot that all the gal-leries terminate, and this forms, for the most part, their usual residence. ^ As to the undergrovmd portion, it can only beseen when the ant-hill is placed against a declivity;all the interior may be then readily brought in yiew, by simply raising up the straw-roof The subter-ranean residence consists of a range of apartments, excavated in the earth, taking an horizontal direc-tion.* * Huber on Ants, p. 1-5. 276 INSECT ARCHITECTURE. M. P. Huber, in order to observe the operations ofthe wood-ant with more attention, transferred colo-nies of them to his artificial formicaries, plunging thefeet of the stand into water to prevent their escape till. they were reconciled to their abode, and had madesome progress in repairing it. The preceding is afigure of the apparatus which he used for this pur-pose. There is this remarkable difference in the nest ofthe wood-ants, that they do not construct a long co-vert way as if tor concealment, as the yellow and thebrown ants do. The wood-ants are not, like them, afraid of being surprised by enemies, at least duringthe day, when the whole colony is either foraging inthe vicinity or employed on the exterior. But theproceedings of the wood-ants at night are well wor-thy of notice; and when M. Huber began to study WOOD-ANTS. 2T7 their economy, he directed his eiitife attention totheir night proceedings. ^ I remarked, says he, that their habitations changed in appearance hourly, and that the diameter oi those spacious avenues, wliere so many ants could freely

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