Epithelium cells of Ammocœtes, [347]
Epith"lium of central nervous system of vertebrates, [38], [457]
Epith"lium of cœlomic spaces in annelids, [421]
Epith"lium of optic diverticula, [103]
Epith"lium of peritoneal, pleural, and pericardial cavities, [477]
Epith"lium of velum of Ammocœtes, [301], [302]
Equilibration, [358]
Eukeraspis, [326]