Note 944 — LETTER XXXIII.
Reading edition
The majority of Hymenopterous insects, though they have the ordinary Trophi, are not masticators, using their mandibulæ only for purposes connected with their economy.
Reading edition
The majority of Hymenopterous insects, though they have the ordinary Trophi, are not masticators, using their mandibulæ only for purposes connected with their economy.