Note 469 — Chapter XV · GENERAL NATURAL HISTORY NOTES.

Moseley’s “Naturalist on the Challenger,” p. 134.

[470] This species of Iulus was able to sustain a longer submersion in fresh-water, without apparently any injurious effects. Those experimented on recovered after being kept under water for four hours, but died after a submersion of six hours.

[471] As bearing on this point, it might be interesting to determine whether these large Iuli occur on islands far from land which are believed never to have been inhabited.