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Caption: Course Catalog - 1897-1898
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BOTANY I71 tual computation of a cometary or planetary orbit is usually made. Watson's Theoretical Astronomy. Fall term, at 2.20, three-fifths credit. Professor MYERS. Required: 8. Math. 1, 3, 9, 10; Astronomy 4a or 4b, 6. SPECIAL PERTURBATIONS.—An investigation of the various formulae and methods for finding the special perturbations of a heavenly body constitutes the chief subject of this course. The methods of Encke, Hansen, and of Variation of Parameters, are developed and studied at length. As a necessary and preliminary adjunct to the course, an explanation and development of the formulae needed to integrate by the methods of mechanical quadrature is given. Watson's Theoretical Astronomy. Winter term, at 2.10, threefifths credit. Professor MYERS. Required: Astronomy 7; Math. 14, 16. 9. CELESTIAL MECHANICS.—The laws of motion of a system of bodies are here developed, the usual differential equations being treated. The two and three body problems with allied subjects, are first considered, after which follows a study of absolute perturbations by the method of variation of the canonic elements and other subjects of study such as are treated in Tisserand's Mechanique Celeste. Spring term, at 2.20, three-fifths credit. Professor MYERS. Required: Astronomy 8. 11. 12. 13. 10. CALCULUS OF VARIATIONS.—See Mathematics 20. SPHERICAL HARMONICS.—See Mathematics 21. POTENTIAL FUNCTION.—See Mathematics 22. ASTRONOMICAL SEMINARY AND THESIS.—The work of this seminary is on subjects either related to those considered in the senior courses, or connected with questions arising out of thesis investigations. This course is given in conjunction with astronomy 7, 8, and 9, or with mathematics 11, 12, and 13, according as the one or the other is current. Fall, winter, and spring terms, Tu. and Th., at 2.20, two-fifths credit. Professor MYERS. BOTANY 1. MORPHOLOGY, HISTOLOGY, AND PHYSIOLOGY.—This course extends through the year, but the first term's work is accepted as a minor course for those not making botany a specialty; the second and third terms together can be similarly credited. Laboratory and field work is supplemented and extended by lectures, the study of text, and by reference reading.
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