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- Max Reess distinguished the species according to the appearance of the cells thus, the
**ellipsoidal**cells were designated Saccharomyces ellipsoideus, the sausage-shaped Saccharomyces Pasteurianus, and so on. - He as well as Artemidorus and others accepted a circular or
**ellipsoidal**shape of the world and a circumfluent ocean; Strabo alone adhered to the scientific theories of Eratosthenes. - Some importance attaches to the form of the pollen grains; the two principal forms are
**ellipsoidal**with longitudinal bands forming the Convolvulus-type, and a spherical form with a spiny surface known as the Ipomaea-type. - As an application of moving axes, consider the motion of liquid filling the
**ellipsoidal**case 2 y 2 z2 Ti + b1 +- 2 = I; (1) and first suppose the liquid be frozen, and the ellipsoid l3 (4) (I) (6) (9) (I o) (II) (12) (14) = 2 U ¢ 2, (15) rotating about the centre with components of angular velocity, 7 7, f'; then u= - y i +z'i, v = w = -x7 7 +y (2) Now suppose the liquid to be melted, and additional components of angular velocity S21, 522, S23 communicated to the**ellipsoidal**case; the additional velocity communicated to the liquid will be due to a velocity-function 2224_ - S2 b c 6 a 5 x b2xy, as may be verified by considering one term at a time. - L ' so that over the surface of an ellipsoid where X and ¢ are constant, the normal velocity is the same as that of the ellipsoid itself, moving as a solid with velocity parallel to Ox U = -q, - 2 (a2+X) dtP, and so the boundary condition is satisfied; moreover, any
**ellipsoidal**surface X may be supposed moving as if rigid with the velocity in (I I), without disturbing the liquid motion for the moment.

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