Chap. XIII. 



Law of Battle. 



36S 



are larger in the male than in the female." In certain plovers, 

 however, the wing -spurs must be considered as a sexual oha- 



Fig. S8. FaUmedea comuta (from Brehm). shewing the double wing-spurs, and the 

 filament on the head. 



'" For the Egyptian goose, see p. 639. For Plectropterus, 'Living- 

 Ma6giUivray, ' British Bii-Js,' vol. iv. stone's Travels,' p. 254. For Pala- 



