Lobo at Triton Bay (including Namatote, Aiduma, Mawara, and Kaju-Mera).
Wuaussirau, inland on the Kamaka-Wallar Lake.
Mairassis, inland from Lobo.
Lakahia, on Telok Lakahia.
Kiruru, on Telok Kiruru.
Utanata, on the Utanata River.
Westward of the Utanata a vocabulary of the language spoken on the Mimika River people was obtained by Mr. Wollaston in 1910-11. A list of the same language is given also in the account of the South-west New Guinea Expedition of the Royal Netherlands Geographical Association.[30] The latter work contains a few words of the language used at the mouth of the Kupĕra Pukwa River.
The language of Mĕraukĕ has been recorded by J. Seijne Kok (15), and by J. C. Montague and E. F. Bik,[C] that of Toro by S. Bik.[31]
II. CLASSIFICATION OF THE LANGUAGES.
Of the three languages in the northern part of Eastern Netherlands New Guinea that of the Jotafa of Humboldt Bay has been ably discussed by Dr. Kern,[32] who decides that in phonology, construction, numeration and word store it presents many points of agreement with the Mefoor or Nufōr of the North-west. But it undoubtedly also contains many words which are of non-Indonesian origin. The Sentani and Pawi languages seem to have very few or no words similar to the Indonesian, and may probably be found to be Papuan languages. But nothing is known of the grammar. The language of Wandammen presents agreements with the Mefoor (or Nufōr) in vocabulary and also in some points of grammar. It will probably be found to fall into the same class as the Nufōr and Jotafa. The languages of the north coast and islands also show a mixture of Indonesian with other words. So little is known of the structure of the languages in the Kumava Peninsula that their place cannot be determined with certainty. The numerals and much of the vocabulary appear to be Indonesian,[33] but there are Papuan forms in the Grammar.
The Lobo languages of the Kowiai district on the south coast appear to be Indonesian, but those inland and south of Geelvink Bay have a distinct connection with those on the south coast west of the Kowiai district, and with those at the Utanata River and beyond the Mimika, at least as far as the Kupera Pukwa River. Beyond this point nothing is recorded until Princess Marianne Strait is reached, and here of two words known, one is Mĕraukĕ.[34] The latter language extends to the Boundary. All west of the Lobo appear to be Papuan.
Using the scanty means available, the languages of the Eastern part of Netherlands New Guinea may be thus provisionally classified:—
NORTH COAST AND ISLANDS (INCLUDING EAST AND SOUTH SHORE OF GEELVINK BAY).
| Papuan. | Seka | West of Lake Sentani. |
| Sentani | Lake Sentani. | |
| Moki (?) | Hinterland of Tana Mera Bay. | |
| ... | Tana Mera. | |
| Tarfia (?) | Coast West of Tana Mera Bay. | |
| Takar | Mainland East of Mamberamo R. | |
| Wamberan | ? Mamberamo R. | |
| Pauwi | Villages on Lower Mamberamo R. | |
| Angadi | Island in Jamur Lake. | |
| Goreda | South of Lake Jamur. | |
| Nagramadu | North-West of L. Jamur. | |
| Manikion | North of McCleur Inlet (Telok Berau). | |
| Indonesian[35] | Jotafa | Humboldt Bay. |
| Jamna | Island opposite Takar. | |
| Masimasi | Island West of Jamna. | |
| Moar | Islands West of Masimasi. | |
| Kumamba | Islands and Coast West of Moar and Takar. | |
| Waropin | East shore of Geelvink Bay. | |
| Mohr | Island opposite Waropin. | |
| Tandia | Coast South of Waropin. | |
| Jaur | South-West shore of Geelvink Bay. | |
| Dasener | West of Jaur. | |
| Wandammen | North of Dasener. |