EXPLAXATIOX OF PLATE XVIII. 



All the drawings are by J. Henry Blake. 



Fig. 1. (y-^Sl) (y) Archilachnus peanatus. (Copied 

 by Buckton, Moiiogr. Brit. Aphides, PI. 

 133, Fig. 3. 



2. (315) {\^) Schizonenroides s c ii d d e r i. 



(Copied by Buckton, 1. c, PI. 133, Fig. 5. 

 Copied by Zittel, Haudb. d. palajont., 

 Fig. 988. ) 



3. (10205) (") Siphouophoroides antiqiia. 



4. (t)70) (-r) Tephraphis simplex. (Copied by 



Buckton, 1. c, PI. 133, Fig. 2. ) 



5. (14450) (i ) Siphonophoroides antiqua. 



6. (314) (J,-) Sjchiiobrocbus reviviscen.s. 



7. (13562) (?) Siphouophoroides antiqua. 



8. (5380) (f ) Aphidopsis margaruui. 



702 



Fig. 9. (4827) (f) Anconatusdorsuosus. (Copied 

 by Buckton, 1. c, PI. 133, Fig. 4.) 

 10. (8869) (f) Siphonophoroides antiqua. 

 (Copied by Bnckton, I.e., PI. 133, Fig. 1.) 

 1". (1044) (f) Aphidopsis sp. (immature;. 



12. (3577) (f) Sbeuapliis quesueli. 



13. (340) (f ) Anialancon Intosiis. 



14. (4475) (f) Oryctaphis recondita. 



15. (6993) (J) Archilachnus pennatus. 



16. (4615) (f) Archilachnus pennatus. 



17. (177) (Y) Archilachnus pennatus. 



18. (8085)(f) Ptero.stigmarecurvum. (Copied 



by Buckton, 1. c, PI. 133, Fig. 6.) 



19. (8085) (?) Tephraphis walshii. 



i 



