You Cannot Get Away | My Web Site Page 314 Chapter 01 Page 06

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Spencer's main object was to substantiate the validity of the Lamarckian principle, the cooeperation of which with selection had been doubted by many. And it does seem as though this principle, if it operates in nature at all, offers a ready and simple explanation of all such secondary variations. Not only muscles, but nerves, bones, sinews, in short all tissues which function actively, increase in strength in proportion as they are used, and conversely they decrease when the claims on them diminish. All the parts, therefore, which depend on the part that varied first, as for instance the enlarged antlers of the Irish Elk, must have been increased or decreased in strength, in exact proportion to the claims made upon them,--just as is actually the case. But beautiful as this explanation would be, I regard it as untenable, because it assumes the _transmissibility of functional modifications_ (so-called "acquired" characters), and this is not only undemonstrable, but is scarcely theoretically conceivable, for the secondary variations which accompany or follow the first as correlative variations, occur also in cases in which the animals concerned are sterile and _therefore cannot transmit anything to their descendants_. This is true of _worker bees_, and particularly of _ants_, and I shall here give a brief survey of the present state of the problem as it appears to me.

~Standard Solutions.~--In making these the salt is accurately weighed and transferred to a litre flask, or to the graduated cylinder, and dissolved. The method of dissolving it varies in special cases, and instructions for these will be found under the respective assays. Generally it is dissolved in a small quantity of liquid, and then diluted to the mark. For those substances that require the aid of heat, the solution is made in a pint flask, cooled, and transferred; after which the flask is well washed out. After dilution, the liquids in the measuring vessel must be thoroughly mixed by shaking. This is more easily and better done in the cylinder than in the litre flask. The solution is next transferred to a dry "Winchester" bottle and labelled. The label may be rendered permanent by waxing it.

Upon his arrival in Africa, Marius was not well pleased that a Quaestor had been assigned to him who was only known for his profligacy, and who had had no experience in war; but the zeal and energy with which Sulla attended to his new duties soon rendered him a useful and skillful officer, and gained for him the unqualified approbation of his commander, notwithstanding his previous prejudices against him. He was equally successful in winning the affections of the soldiers. He always addressed them with the greatest kindness, seized every opportunity of conferring favors upon them, was ever ready to take part in all the jests of the camp, and at the same time never shrank from sharing in all their labors and dangers. It is a curious circumstance that Marius gave to his future enemy and the destroyer of his family and party the first opportunity of distinguishing himself. The enemies of Marius claimed for Sulla the glory of the betrayal of Jugurtha, and Sulla himself took the credit of it by always wearing a signet ring representing the scene of the surrender.

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