Figure 82. 



r Sjl^fLi"""^^ "'"''■', '' '^"'^i-' 'ts head from beneath; 3, maxillary palpus; 4, antenna; 

 5, mandible, 6 mentum; 7 terminal segments and siphon; 8. a single scale of 8th 

 segment; 9, siphonal spines showing variation: all much enlarged. (Original.) 



