habits, [552];

stone-canal, [552];

E. flavescens, [555];

E. pennatifidum, [555]

Echinoconidae, [558]

Echinocyamus, [548], [549];

E. pusillus, [549]

Echinocystites, [557]

Echinodermata, [425] f.

Echinoid stage in the development of a Holothuroid, [615]