Fio. 29. Head of Corydalusc-ornntux, J : A, from above. B, from beneath. ( '. from the side. 

 a. I-/!/, clypeus anterior; j>. c/y, clypeus posterior; llir, labrum ; iml. iiiiiinlible ; nur, base of first 

 maxilla ; m/i, its palpus ; m, mentum ; s/n, submentum ; plpr, palpifer ; lig, fused second maxilla' ; 

 ant, antenna; occ, occiput. 



