Science . northwards at either end, a zone of de-pression with the same kind of contour,and an Antarctic region of elevation whichextends northwards in the direction ofAustralasia. These regions are shown in Fig. 10. I have recorded the result ofcombining these two harmonies becausethey represent the particular effects thatwould be produced by the interaction oftwo causes—the rotation, and the eccentricposition of the center of gravity. Thethird type of harmonics of the third degree,the tesseral harmonic of rank 2, gives usa division of the surface into octants by. Fig. II. means of th
Science . northwards at either end, a zone of de-pression with the same kind of contour,and an Antarctic region of elevation whichextends northwards in the direction ofAustralasia. These regions are shown in Fig. 10. I have recorded the result ofcombining these two harmonies becausethey represent the particular effects thatwould be produced by the interaction oftwo causes—the rotation, and the eccentricposition of the center of gravity. Thethird type of harmonics of the third degree,the tesseral harmonic of rank 2, gives usa division of the surface into octants by. Fig. II. means of the equator and two completemeridian circles. Alternate octants are ele-vated and depressed as shown in Fig. can name the octants where there iselevation: Asia, Australasia, North Amer-ica, South America. The harmonic of thistype is certainly prominent. It is speciallyassociated with the skew position of SouthAmerica to the east of North fourth type of harmonics of the thirddegree, the sectorial harmonic, gives us a
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