106 The Ottawa Naturalist. [Nov. 



2. E. pulchellus (Walcott). Middle Cambrian, New 

 Brunswick. After Walcott. 



3. E. speciosus (Ford). Lower Cambrian, Eastern New 

 York. After Walcott. 



4. E. connexus (Walcott). Lower Cambrian, Eastern New 

 York. After Walcott. 



5. E. schucherti (Matthew). Lower Cambrian, Eastern 

 New York. After Matthew. 



6. E. Helena (Walcott). Lower Cambrian, Eastern New 

 York. After Walcott. 



7. E. belli-marginatus (Shaler and Foerste). Lower 

 Cambrian, Eastern Massachusetts. After Walcott. 



8. E. praecursor (Matthew). Middle Cambrian, New 

 Brunswick. After Matthew. 



9. E. meeki (Ford). Lower Cambrian, Eastern New York. 

 After Walcott. 



10. E. scanius (Linnarsson). Middle Cambrian, Sweden. 

 After Linnarsson. 



11. Goniodiscus lobatus (Hall). Lower Cambrian, Eastern 

 New York. After Walcott. 



12. G. sculptus (Hicks). Middle Cambrian, Wales. After 

 Lake. 



13. G. parkeri (Walcott). Lower Cambrian, Vermont. 

 After Walcott. 



14. G. dawsoni (Hartt). Middle Cambrian. New Bruns- 

 wick. After Matthew. 



15. Weymouthia nobilis (Ford). Lower Cambrian. Near 

 Troy, New York. After Ford. 



16. W. nobilis (Ford). Lower Cambrian, Pearl Street, 

 North Weymouth, Mass. Original. 



NOTES ON A CATERPILLAR. 



By Annie G. H. White, Toronto. 



September 22nd, 1912 Found a large green caterpillar of 



the Cecropia Moth on a lilac bush. Brought it in and put a 



branch of the lilac with caterpillar under a large battery jar. 



Sept. 24 Caterpillar commenced spinning about 10 o'clock a.m. 



25 Outer wall of cocoon finished; looks like a transparent 



silk basket. 

 26 Cocoon almost opaque; looks like an airship; egg- 



