2 · Nature
25 · earth, world as celestial body
25F · animals
25F7 · lower animals
25F71 · arthropods
25F713 · spiders
25F713(+4) · spiders (+ animal behaviour)
25F713(+47) · spiders (+ animal psychology)
25F713(+471) · spiders (+ instinct of animal)
25F713(+4712) ·
spiders (+ animals nesting; making nests, lodges, webs, etc.)