adhésif (1) araignée (1) Case (1) Animal feeding (1) Worms (1) Velvet (1) Poisonous spiders--Venom (1) Spiders (1) Predatory animals (1) Onychophora (1) Nerves (1) Muscles (1) Wolf spiders (1) Invertebrates (1) Insects (1) Grammar, Comparative and general--Case (1) Case (1) Muscles (1) Behavior (1)