These islands have importance as connecting Northern Polynesia with Southern Micronesia. The people are dark-coloured and bearded. PENRHYNN ISLAND. _Locality._--Midway between the Marquesas and Union Isles. Inhabitants numerous as compared with the size of the island. ROTUMA. _Synonym._--Granville Island. _Locality._--Lat. 12° 30´ N. Long. 177° 15´ E. Three hundred miles from any other land. COCO ISLAND. TRAITOR'S ISLAND. _Locality._--North of the Friendly Islands. Lat. 15° 50´ S. Long. 174° W. _i.e._, between the Tonga and Samoan groups. HORN ISLAND. WALLIS ISLAND. _Locality._--Between Rotuma and the Samoan Archipelago. SAVAGE ISLAND. _Locality._--Four degrees east of the Friendly group; _i.e._, between the Tonga Isles and the Hervey and Austral groups. TIKOPIA. _Locality._---Lat. 12° 30´ S. Long. 169° E. _Population._--About five hundred. In Tikopia the locality is nearly Kelænonesian; whilst the physiognomy and language are Amphinesian; and of the two Amphinesian branches, most probably Polynesian. On the other hand, they use the bow and arrow, and raise cicatrices by burning--both of which habits are Kelænonesian. FOTUNA. _Synonym._--Erronan. A few miles east from Tanna, a Kelænonesian Island. IMMER. _Synonym._--Muia. _Ditto._ The locality creates the interest for these two islets. They are not only isolated from the other parts of Polynesia, but are portions of another geographical area. FREE-WILL ISLAND. _Locality._--Fifty minutes north of line, to the west (or north-west) of New Guinea. _Natives._--Copper-coloured, with long black hair.--_Carteret from Prichard._ The natives of Free-will Island require further description. It is nearly certain that they are _Amphi_nesian--but whether Protonesian or Micronesian is uncertain. Laying aside, for the present, Madagascar, and the Fiji Islands, we shall find that the more important questions connected with the ethnology of Polynesia are as follows-- 1. The affinities with Protonesia. 2. The differences between Polynesia Proper and Micronesia. 3. The extent to which one of these last-named divisions is more Protonesian than the other. 4. The details of the dispersion within the limits of a single division; Micronesia or Polynesia, as the case may be. 5. The _general_ dispersion and distribution. 6. The inferences arising from the existence of the darker coloured, and more Negrito-like population. 7. The date of the Polynesian dispersion.