shufeldt] NA T U RE-STUD Y AND A NIMA L FORMS 



123 



Another very interesting, numerous, and elegant family of 

 moths are the Sphinxes or Hawkmoths (Sphingidce) , and we have 

 many different species of them in this country. Later on, in 





Fig. i 6. Protective mimicry in a moth — a hawkmoth 

 on the trunk of a birch tree. 



some future instalment of this series, I must come back to this 

 group with added material for you, as it would be a shame to 

 pass it too lightly by. Therefore, I will but briefly point out that 



