PLATE XLVIII. 



NoTHRus SEGNis. (Page 517.) 



Length about '85 mm. 



Fig. 1. Adult. X 70. The skin of the posterior pro- 

 jection of the nymph, and a small strip of the 

 skin from the lateral margin of the nymphal abdo- 

 men, is carried by the adult on each side. The 

 hairs on the abdomen are omitted in the drawing. 



2. Nymph. 



3. Adult; rostrum and camerastomum from below. 



X 125. {a) epistome ; {co) camerastomum; 

 {b) rostral hair ; {ap) apophysis carrying same. 



4. Adult; left mandible seen from the right (inner) 



side and slightly below. X 260. 



5. Adult ; pseudo-stigma and pseudo-stigmatic organ. 



X 260. 



6. Adult ; half of the posterior margin of abdomen, 



as seen by transmitted light. X 85. [a) body 

 of adult seen through the nymphal skin ; {b) 

 apophysis at postero-lateral angle ; (c) small 

 branch from inner side of same, carrying (d) a 

 large spatulate hair; {e) cast skin of posterior 

 margin of nymph ; {p) cast skin of the great 

 posterior projection of the abdomen of the 

 nymph ; (y) apophysis of same ; [h) spatulate 

 hair carried thereby ; (i) strip of nymphal cast 

 skin adhering to the lateral edge of the abdomen 

 of the adult. 



NoTHRUS spiNiGER. (Page 497.) 

 Length about '84 mm. 



Pig. 7. Adult. X 60. 



8. Larva ; three-quarter view. 



9. Adult ; right mandible seen from the left (inner) 



side. X 250. 



10. Adult ; pseudo-stigma and pseudo-stigmatic organ. 



X 250. 



11. Adult; leg, first pair. X 85. 



12. Adult; leg, 4th pair, x 85. {a) epimeron. 



13. Adult; apophysis and spines at left posterior angle 



of abdomen. X 85. 



