COj^TENTS. XV 



Page. 

 4. — ^Relations of the Sex to the Individual, . . 241 



5. — Concluding Remarks, .... 248 



APPENDIX. 



Table I. — Of the Genetic Cycle in Plants, . . 254 



II. — The Genetic Cycle in Animals, . . 255 



III, — Periods of Interpolation of Gemmation in 



diiferent groups of Organized Beings, . 256 



IV. — Resting periods in the Genetic Cycle, . 257 



V. — Abstract of Dr. Sanderson's Table of Ana- 

 logies in the Development of different 

 Classes of Plants, . . . 258 



VI. — ) Analogies in the Genetic Cycle of Plants, 

 VIII. — I as indicated in this Work, . . 2^1 



IX. — ( Tabular Views of the Genetic Cycle in 

 XVIII. ~ / the different Classes of Animals, . 266 



