- Diagrams explanatory of the nature of so-called proboscides or " introverts."
B, head showing the suckers, proboscides and excretory canals; X 25.
Internal to the suckers are the four complex hooked proboscides.
Scolex with four complex eversible proboscides.
- Ordinary conidia and similarly abstricted dry spores are so minute, light and numerous that their dispersal is ensured by any current of air or water, and we also know that rats and other burrowing animals often carry them on their fur; similarly with birds, insects, slugs, worms, &c., on claws, feathers, proboscides, &c., or merely adherent to the slimy body.