and, The distribution of rhe animsis on the istand is governad muinly by the plant cornmaity in waich thay live, Those * plant communities are grnsslancs, matt ocd arcas of brush and no trees are found on the island, © e ont and tho sass fffrom im) Dristairs eo padn grass is Lentnspis, Chloris ? ? anpryes Cenchrrs, and in betvscn 2 JC lants such as triumphetc where navyine oscevrrod where paving as as occurred, Wu p % © 3 aa ww e> ve [+ & ns Js {— in MN those avecs, UNosads AVYSIG, a} fs 9 pt Q tw oO Q ‘co 1s} rar i) Q " a ey o oo { 7 0) p hr 3 C oe) Tae matted arcas of plants are usuaily found on dis- ' OQ 63 @ 8 ture Ch thota., tho mornine vlor: cNO MOVNARYG L2r0ry p and the trimwupheta, one of the vines which grows flint on the ground, covers the area to such a desrses that you cannot walk through the area at all, The third area contains 2 beach micnolia. iIn between those brash arcas are Iccated indavidual elyers of soase or bunch gooass. Several man-mace structures have altoved the native con- ditions of the island--adrolane landings strips, concrete floors for temporary buildinzs, trenches, roads, ete. All of the co- ceanut trees wore bulldozed off. The rats, for tho most part, live in the grassland areas and, to a lesser desrce, in tho brush area, These rats belong to a grcup vale supposedly, orisinally, migrated from the Celebes, in fron the Mavaddan Islands. to break up into insular ov atoll grouvs. This spocies tends The fnet that the egrovun ¢€oes break up is indicated by the fact that thore are at leas