•;nivfi-(k'|n»!>it wliiih i»* iiseJ J«>r eDgiiieciiii}; |nir|iu(»cft, and in coveix-J l<y iiiii(Iu*k- 

 tinimlily alluviiil deposits. Tlu-y l>avi' liocn dtfiTÜK'd in llic wcond clmptcr uh 

 mostly jK-aty ; tlic Idwcst |art of thoin is itii|itirc, dark -col on red siiiid, U.5 hjcUt 

 in tliickni'ss. Tiie ixdiblc stratum itst-lf nuist liiivo ln-on cxjxjtn'd to the ncliun 

 of the soa durin;^ sonii' jnrt of tin.' allnvial era, ait boforc nicnlionetl ; bnt neither 

 till' admixlurcr; of jn-afy and hnnioso snlistanci', nor the ivcent oystcrn covering 

 some of the jn-hlik's iirovi; at nil an allnvial ori-^in of the cntir« ]H.'libIc layer. 

 For those oysters are all confinjd to tli? snpirlii^id pdiblas, and the whole 

 stmtnin is evidently a continuation of the layer which apjiear« next to the limit 

 of the tertiary de|Misit.'* in the blulVhloji • Itetxvirn 'I'akij^ishim Iklnni ami Yoko- 

 hama. The section seen there i;ives 



(i nietR*s n|)|ier diluvial loam mixed with humose boil ni-tir the burfacu. 

 9 m. j^myish clay, mostly in thick strata, but sometime« alternatini; with 



thin layers of siuiily soil 

 Ü.."> to 1.5 m. i^rayisli C'on<;lomfrate. 



('(;i( of unroiifonii'lliHilif.) 

 IM 111 (in max.) elayi.sh and tufafeous pile <:reenish-j;niy strata, tolerably 



iiard. 

 6 m. (in the aver.ii^el 8.iiuly smi, :l:^o ^rieni>h ;.;ray. 



As the conglomerate-layer very gradually sloju-s down to the level of the lower 

 plain, and as it is exactly like the conglomerate-layer inentione«! alx)ve, there 

 c;in l>e no doubt abtaut the latter belonging to the Siiinc gcologicjxl horizon, viz. 

 to the lower diluvial formation. 



Delow this layer and the line of unconf<Tniability, we find at Takigawhini 

 the same (.lavish soil which is the thickest jnrt of the section given alxive. 

 Half-way l>etween the blufl' and the jtlacL' wIktj the gravel i.s ileg, a lufj^cqttantity 

 of shells apix-'ars, oidy surpiusH^il by that of Oji. This shell-layer was afterwards 

 found to extend from the slope of the blutTof the gravel (ield, though the rich- 

 est development is confined to the first-nienlione«! place It scarcely needs Ix- 

 added that only such specimens were admitted as were undoubtedly foimd in 

 the strata lx;low the gravel, and anything not foiuid in the native soil of this 

 part of the geologiail section was rigorously excluded. I found the following 

 fossils mentioned already from other loailities 



Fusiis inconstans Lischke.— (See Shinagnwa ) 



Nassa japoniea Adams. — (See Oji, Shinagawa, Yokohama ) 



Nassa livescens I'hil— (See Oji This sjie<-ies rKx;iirred abiMnl.iiiny at 



Takigashira I 

 Ua|i;ina bezoar L. — (S-e Sumgjidai.l 

 Columbella scripta L.— {Sec Oji, Suriigadai, Shinagawa.) 

 liingicula arctata Ooidil.— (Sec Oji, Shinagawa. Si-ldoin at Takiga>hira ) 

 Natica I/imankiana Itcrluz — (Sr Oji, Simigadai, Shina-jawa.l 

 Odostomia planata tJould.— (Sec Oji, Shinagawa. I 



