CHAPTER I 

 COURTSHIP AMONG ANIMALS 



IF we compare with one another the figures of Love 

 and Life in our frontispiece, we notice a distinct 

 difference in their forms. The maiden, in spite of 

 her slimness, has curved outlines of breast and hips, 



FIG. 3. TRITON (Triton Cristatus) (half natural size). 



Upper figure, male, during breeding season ; lower figure, female. 



(From "The Descent of Man," by C. Darwin.) 



and sinuous arms. The youth is of larger build, 

 with a broad, muscular, flat chest, strong limbs, and 

 more rugged outlines. These dissimilarities become 

 still greater as the maiden develops to full-grown 

 womanhood and the youth to manhood. Such 



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