Crossword-Solution: CHELAE 6 letters, 3 clues 🏆 scrabble score: 11

Fritz Müller suggests that these differences between the two male forms of the same species may have originated in certain individuals having varied in the number of the smelling-threads, whilst other individuals varied in the shape and size of their chelae; so that of the former, those which were best able to find the female, and of the latter, those which were best able to hold her, have left the greatest number of progeny to inherit their respective advantages.

Anterior part of body of Callianassa (from Milne-Edwards), showing the unequal and differently-constructed right and left-hand chelae of the male.

Bate, the chelae are sometimes of such length and size that they cannot possibly be used for carrying food to the mouth.

Spence Bate for nearly all the above statements with respect to the chelae of the higher crustaceans.) The great size of the one leg with its chelae may aid the male in fighting with his rivals; but this will not account for their inequality in the female on the opposite sides of the body.

They appear to be much more numerous than the females; they differ also in the larger size of their chelae.