Sensory pittings in plant-louse antennae.
Organ of smell in may-beetle.
Organ of smell in wasp.
Sensory organs in Termes flavipes.
Organs of taste in a wasp.
Organ of smell in grasshopper.
Sensory depressions on the tibia of Termes.
Terminal joint of antenna of an ant.
Section through the antenna of a honey-bee, showing supposed olfactory organs.
