Note 431 — Chapter X
Reading edition
‘Modern Classification of Insects,’ vol. ii. 1840, p. 206, 205. Mr. Walsh, who called my attention to this double use of the jaws, says that he has repeatedly observed this fact.
Reading edition
‘Modern Classification of Insects,’ vol. ii. 1840, p. 206, 205. Mr. Walsh, who called my attention to this double use of the jaws, says that he has repeatedly observed this fact.