KEY TO THE GROUPS— CATERPILLAR. 47 



G\ Some spines on the middle line of the 

 back, especially on the seventh or 

 eighth abdominal segment. 



(Tribe Angle-Wings.) 



h^ Head with no conspicuous spines above. 



i'. Second abdominal segment with a 



spine on the middle line of the back. 



j'. First abdominal segment with a 



similar spine 11. Vanessa. 



j\ First abdominal segment with no 



similar spine 12. Aglais. 



i". Second abdominal segment with no 

 spine on middle line above. 



13. Euvanessa. 



h'. Head crowned with prominent spines. 



i'. Spinules of body spines not arranged 



in a stellate manner. 



j'. Spines of thoracic segments with 



spinules throughout. ..10. Junonia. 



j^ Spines of thoracic segments with no 



spinules on basal half. 14. Eugonia. 



i^ Spinules of body spines arranged in a 



stellate manner 15. Polygonia. 



W, Body hunched, with irregularly-developed 

 series of tubercles. 

 (Tribe Sovereigns.) 16. Basilarcliia. 

 C^ Last segment bifurcate. 



D\ Head crowned by a branching appendage. 



18. Cliloriiype. 

 D^ No coronal spines, or else simple ones on the 



head. 



(Subfam. Satyrs or Meadow-Browns.) 

 e\ Head with coronal spines or tubercles. 

 V. Coronal spines slight and inconspicuous. 



19. Cissia, 

 f\ Coronal spines nearly as long as the head. 



