30(; DPv. G. J. TIIXDE. 



DepUi from Surface, HO-AO feet ; Distance Bored, 10 feet ; Total Length of Core 

 Obtained, 1 foot ti inches ; Numhei^s of Cores, D. 1 1-D. 17. 



The cores, for the most part, are irregular nodular masses rounded by the drill, Imt 

 occasionally they are cylindrical and cavernous. They consist of cream-coloured and 

 greyish-white, hard, compact limestone, similar to the preceding, containing yfadrepora 

 contecta and MUlepora. Unconsolidated materials from the level of 40 feet contain a 

 great variety of foraminifera, which, with those from the solid cores, are referred l)y 

 Mr, Chapman to the following genera ; SplrolociiJina, ^fU^oJina, Cornusplra, 

 Bolivina, Cristellaria , Sagrina, SpirilJina, PateUina, CijmhaJopora, Discorhina, 

 Carpenteria, Ptdvimdina, Calcarina, D'noporvs, PoJylrema and Amphistegina. The 

 greater number of these genera are only represented by single specimens. There 

 occur also detached calcisjDonge spicules, Cliona borings, alcyonarian spicules, echinid 

 spines ; Serpula and Spirorhis, claws of Crustacea, entomostraca, ])olyzoa, small 

 gastro})ods : coprolitic ])enets. LithotJiamrnon and joints of corallines. 



Details. 



(I). 11~I). 14). Four iHxlular luiin)s of compact limestone, with a total leiii;tli of 171 niillims., containing 

 Mdi/rc/joni rontfiin. The cccneucliyinal interspaces in part empty, in ])art filled with sclerencliyma. I'liond 

 l)orings. 



(D. 1.5) [40.3]. Length 42 millims., width .")4 millims. An irregular nodnlc of l)rowni.sh-grey limestone, 

 containing a branch of Miulirpora, OA'ergrown in the central portion hy Lifl/nflKtmnion, and this in turn In* 

 Millcpom. Layei's of Poli/freina plnronn and TJfhntlianinion alternately encrust the Milhpora. Carpcntcrin, 

 Annelid tubes, Leptocliroim. 



(D. 16). Length 28 millims., width 70 millims. A compressed nodule of rock similar to the preceding, 

 M'ith pitted surface and Sjiimrliis attached. Milli'pora bored hj' f'Jiona and encrusted by lJfhot]mivninii. 

 wliich again is overgi-own by Mmlrcjinra. PoJi/firnui iiiiiridri'inii aufl Scrpiihi. 



(D. 17). Length 116 millims., ^^■idth SO millims. Cylindrical core of whitish-grey limestone, j)ai-tly 

 porous and with cavernous hollows. The greater \rd\t consists of Mnilrrjioni, very obsciu-ely shown, and 

 some Millf/ma. Poli/firiiiii iiiini((rfiiiii, Scrjnihi and Sjiirorhis. I'lchinid spines, small gastroj)0(l, Lifhoihatiinion. 



Samples of unconsolidated, light-greyish material from a depth of 40 feet, consisting largely of small 

 sub-angular fragments of broken-up limestone with detached foraminifera. The connnonest form is 

 Jiiijilaxfcf/ind Li'ssonii, the other genera present are enumerated above. There are also calci.sponge spicules, 

 alcvonarian spicules, echinid spines, claws of Crustacea, poly/.oa, entomostraca, coprolitic pellets, and joints 

 of corallines. 



Depth from Surface, 40-50 feet ; DistaiLce Bored, 10 feet ; Tofa/ Length <f Core 

 Ohtained. ^ f'ct ; Nmnhers (f Cores, D. 18-1). .'l."). 



Cylindrical cores and nodular lumps, worn by drill, of cream-coloured and whitish- 

 grey, hard limestone, cavernous in places. The outer surfaces fretpiently i)itted and 

 with attached Spirorhis. The greater part of the rock consists of }fadrepora, with 

 occasionally an Astraean coral, Orhicella (;'), Porites, Montipora, and the same 

 undeteriiiined perforate, })reviously noticed in I). !*. There is also a single fragment 



