Warning colors, bright colors which render an animal free from attack.

Whorl, a single coil in the spire of a gasteropod shell.

Yolk, food material of an egg.


FOOTNOTES

[1] This study is intended for an alternative study in case it is not practicable to use the studies of living insects. With slight adaptation it can be made useful for any insect, either preserved or living.

[2] Note.—This passage of fluids through membranes is known as osmosis.

[3] This and the following questions are to be answered for each specimen. The answers may be tabulated if desired.

Transcriber's corrections