388 Darwin, and after Darwin. 
attitudinizings that it is scarcely possible to doubt their 
object is to incite the opposite sex. Here, for instance, 
Fic. 122.—Courtship of Spiders. A few examples of some of the 
attitudes adopted by different species of males when approaching their 
females. (After Peckhain.) 
is a series of drawings illustrating the courtship of 
spiders. I choose this case as an example, partly 
