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For anything we know to the contrary, the agglomeration may be facilitated by smoke in the air. If it be really true that rains have been produced by great battles, we may say with confidence that they were produced by the smoke from the burning powder rising into the clouds and forming nuclei for the agglomeration into drops, and not by the mere explosion.

The word "determined" suggests finality, whereas the embryo appears to have in the beginning only a strong tendency or predisposition toward one sex type or the other. It is now quite commonly believed that this predisposition arises from the quantity rather than the quality or kind of factors in the chemical impetus in the nuclei of the conjugating gametes.

The axis cylinder generally passes without any break from the nerve centers to the end of the fibers. The medullary sheath, on the other hand, is broken at intervals of about 1/25 of an inch, and at the same intervals nuclei are found along the fiber, around each of which is a minute protoplasmic mass. Between each pair of nuclei the sheath is interrupted.

A map of the colonial settlements in 1725 reveals a narrow strip of populated land along the Atlantic coast, of irregular indentation, with occasional isolated nuclei of settlements further in the interior. The civilization thus established continued to maintain a close and unbroken communication with England and the Continent.

It may be that our hope for the future depends on the formation of such groups hives of the Spirit in which the worker of every grade, the thinker, the artist, might each have their place: obtaining from incorporation the herd-advantages of mutual protection and unity of aim, and forming nuclei to which others could adhere.

As the cells of the reproductive organs are the only ones that pass over and into the next and later generations, it will be evident, in the first place, that the germ plasm of their nuclei is the only essential substance that connects parent and offspring.

The causes which, at one time, threatened a war between the United States and Great Britain, had been removed by diplomacy; and the military posts on the frontier, which served as nuclei of Indian hostilities, had passed into the possession of the government of the United States.

The nuclei multiplied by segmentation migrate into the superficial cytoplasm surrounding the yolk, and then this cytoplasm segments, and each part of the cytoplasm develops into a particular region of the embryo.

Large tracts of territory have been ceded to the association by native chiefs, roads have been opened, steamboats placed on the river, and the nuclei of states established at twenty-two stations under one flag which offers freedom to commerce and prohibits the slave trade. The objects of the society are philanthropic.

They are called hither and thither partly by messenger-substances thrown into the blood, known as hormones, partly by the "smell of the battle afar off," the toxins of inflammation and infection as they pour through the blood. The red ones lose their nuclei, their individuality, in order to become sponges, capable of saturating themselves with oxygen and carrying it to the gasping tissues.