[1] He pursued his interest in marine biology initially in his spare time, but eventually found work at the Marine Biological Association in Plymouth.

[3] The post of naturalist had previously been offered to William Speirs Bruce, who declined, preferring to travel on the Scottish National Antarctic Expedition.

[4] Hodgson's work on the Discovery provided the first descriptions of deep sea floor communities in the Antarctic.

[5] Hodgson was reappointed curator of the Plymouth Museum on his return and went on to study the collections from the Scottish National Antarctic Expedition of 1902–1904.

[7] The well-known World War Two diarist Vere Hodgson was his niece and was named after him.