Complex sentence: The nominate race "cassicus" is found on mainland New Guinea and islands to the west, as well as Kairiru, Mushu and Basilaki Islands, while the larger race "hercules" occurs on the D'entrecasteaux Archipelago and Trobriand Islands.
Split into simpler sentences: The nominate race "cassicus" is found on mainland New Guinea and islands to the west, as well as Kairiru, Mushu and Basilaki Islands. The larger race "hercules" occurs on the D'entrecasteaux Archipelago and Trobriand Islands.