SOMITES AND LIMBS 



* Eyes and frontal organs belong to a presegmental region which may have median 

 ** If the superlinguae be maxillules (see p. 407), the limbs behind them stand on 

 t Terga fused in Scolopendra, free in Lithobius. ft Chilaria in Limulus. 



§ This somite appears to have no limbs, because the limbs of the 8th and 9th somites 

 ^ indicates the position of the male opening, ? that of the female. 



