1. Gonocephalum seriatum (Boisduval).
Opatruin seriatuin Boisduval, Voy. Astrolabe 2: 252, 1835.
Gonocephalum seriatu11i (Boisduval) Gebien, Nov. Guinea 13 (3): 234, 1920. Coleopt. Catalog. (22): 326, 1910.
Umatac, May 14, Usinger; Piti, May 30, under cow dung, Swezey; Piti, Aug. 3, under stones, Swezey; Piti, Sept. 17, under stone, Swezey; Orote, July 19, Swezey. Fullaway, 1911.
This widely distributed species, common in Hawaii and Guam, was described from Marshall Islands and occurs also in New Guinea.