Note 41 — PROGRESSION ON AND IN THE WATER.
Reading edition
The lepidosiren is furnished with two tapering flexible stem-like bodies, which depend from the anterior ventral aspect of the animal, the siren having in the same region two pairs of rudimentary limbs furnished with four imperfect toes, while the proteus has anterior extremities armed with three toes each, and a very feeble posterior extremity terminating in two toes.