G?OLOQy.] NA?JRAL Hlff?ORY. � Moloch's Is?, in Blue-Mud Bay, no?-west ? Or?te Eyla?dt, is ?m?M principally of ?st?e, ?etimeg ia?ncfiy c?umn? But ?oag the ?eimens are also a coupe ?ate of a duR publish eolour,--iacludiag ?bble? of ?a? qu? ?d a f?ent of a ?laty r?k like ?m?: &e hue ?d ?ct of,?e com?uad pr?isely those of the oldest ?and-?toae?. Reddish ?ad-sto?, of uniform ?d ?e groin. A concretion of rou?M quar? pebbles, cemen?d by fe?u?nou? mater, apparently of r?nt fo?afion. ?v?o H:?, near Ca? Orind?!,? prominence e?t of no? from Blue-Mud Bay, wa, found by Cap?in Flinde? to ?nsist, at ?e ap?r ?rt, of ?-s?. ?e s?clmens o?' the rock, in it, vicinity are, dark gray gra?e, ?omewhat ap- appro?hing to ?ei?, wi? a few ?ck? of ?et ;' ?d a calcar?u?, probably concrefional ?tone, enclosing ?e re- mains of sheil?, with eavitie? lined wi? crypts of c?- c?u8 9p?. Mo? C?B?, on the mainland, west of C?edon by, . consis? of ? gra?te, with dark bm? mi? in small quantity; aM on the ?id? ?d mp of the hill ' lar? l?e bl?k, of ?at r?k were obse?ed, ?fing u?n ?her bl?.' A m?l isl?d, ne? Ca? Arehem, is ? com?ed of 9r?e, in which the felgpar h? 'a bluish hue. Smaller of the ? I?,, nonh-e?t of Melville Bay *.--A ?t?oidal m?, ? fe?u?n? o?&' of guise, approaching to ?mafite; the ?slumg in ?ome places ?eupi? by c?aa? of lime. the ?t i? rep?n? in t? e?g? Map, p. ?.
�
