3206. Annelida and various species. 20 Color Photomicrographs. 1. Nereis, polychaete worm, t.s. 2. Nereis, parapodium 3. Hirudo, leech, t.s. 4. Hirudo, l.s. oral sucker 5. Hirudo, l.s. posterior sucker 6. Lumbricus, earthworm, t.s. typhlosole 7. Lumbricus