LIST OF PLATES, VOL. VIII. 



[-The young stages of a few Annelids. 



Plate 1. — Ammobroma Sonorre, Torrey. 



For explanations see page 56. 

 Plate 2. — Tornaria, 



For explanations see page 246. 

 Plate 3. — Fig. 1. Plagiotremus spilistius, Gill. 



2. Head of the same from below. 



3. Choenopsis oeellatus, Poey. 

 For explanations see page 300. 



Plate 4. — Key of Sombrero, W. I. 



Fig. 1. Geological map of the Key, the beds lettered upwards from 

 A to F. 

 2. Section of the same. 

 Plate 5. — Key of Sombrero, illustrating the elevation and subsidence of the 



same. 

 Plate 6. ") 

 Plate 7. 

 Plate 8. 

 Plate 9. 

 Plate 10. | 

 Plate 11. J 



For explanations 6ee pages 340, 343. 

 Plate 12. — Fig. 1. $ Citheronia regalis, Hiibner. 



2. and 3. $ Citheronia sepulcralis, Grote and Robinson. 

 Plate 13. — Fig. 1. $ Citheronia mexicana, Grote and Robinson. 



2. $ Charidea bivulnera, G. & R. 



3. $ Arctia mexicana, G. & R. 



4. $ Platythyris fasciata, G. & R. 



5. $ Platythyris fasciata G. & R. (reverse) 

 Plate 14. — Fig. 1. ? Choerocampa laevis, Grote and Robinson. 



2. $ Choerocampa ceratomioides, G. & R. 



3. 2 Ecpantheria leucarctioides, G. & R. 



4. S Ecpantheria leucarctioides, G. & R. 



5. $ Psychocampa concolor, G. <& R. 

 Plate 15. — Limulodes paradoxus, Matthews. 



For explanation see page 413. 

 Plate 15a. — Fig. 1. $ Drepanodes puber, G. & R. 



2. 2 Drepanodes varus, G. & R. 



3. ? Drepanodes aquosus, G. & R. 



