The most common of the allied disturbances is agraphia

Here the power of writing words may be completely lost, or there may be a confusion in the words produced (paragraphia), or simply a hesitancy or alteration in the handwriting. The two other states, amimia and apraxia, are le common; the former is always a ociated with aphasia and usually found only in severe or advanced cases. It may exist as an absolute inability to convey ideas by gesture or in a confusion of the commonly accepted gesture signs. Apraxia is also always situated as a rule in the posterior part of the third left frontal convolution, or its immediate vicinity. The localization of the lesions of the other forms is le constant and more indefinite. Aphelion. Point of a planet's orbit most remote from the IMG:content-0202.png:[blocks in formation] sexually fertilized. The The figure represents equally well, 1, the autumn eggs develop in spring etically and viviparously. into females, usually winged, which produce offspring par the no gen of these forms, which are etically and viviparously. forms the sexual male and the wingle female, the parents of the spring brood; 2, winged and wingle viviparous parthenogenetic forms occurring in spring; and 3, an autumn winged female appearing after a succe ion of wingle forms. During usually apterous, viviparous During summer several generations and parthenogenetic, succeed one another, until finally finally the cycle is completed by the appearance of true males and oviparous females. The Phylloxera of the vine is an example.