( 344 ) 



more defiiiilo (•(nicliision V) ; llic fad thai in tlic Fldixhicii Scandi- 

 iia\'iciii opfalic sloiics occur, was staled l>v Ivi'i'o'i' ") in hSDl), 



That hci-(' iii(h'('(l we ha\c' Itclorc us exidciicc of a uiacial pci-iod 

 is |)i-o\(mI not onlv liv the altoxc stated tacts, hnt also Ity the other 

 fact that, in tiie mentioned /.one ol" coai'se-urained sand and ui-a\'el, 

 ol'len l)i,U' stones occin', in the wvy nudst ol" less coai'se malei'ial, 

 which stones in some cases are ol" Scandinaxian oi-i,uin. So iji the 

 mentione(| deep-horinus for the Harlem \\ aler\\(»ri<s, at 'M\ '. A. P., 

 a xerv hiü' pehhle of calcareous sandslone was found of which a fra,^- 

 menl 11 cM. lonu' has heen |»i'eser\('(l, and in other dee|»-liorin,üs 

 near the Harlem water-low <m-, at l).'i.5 '. \. P., a Hint of \'l and 

 a (|nart/,ile of 7 c.M. laruesi dimension. .Vt IlilleLiom, where the 

 mi'axcl on the whole i> rather coarse. I saw fra,L;inents of a 

 reddish sandslone (from the (iernian runiler . found there at a 

 depth of 1^2 M. '. A. !'., which must haxc heen hi^-ucr than a list, 

 and from Heemstede a \ iolet 'Hunteri (|iiarl/,ite stone, of !l cM., 

 lar.uesi dimension, rai>e(l from a deplli of 25.5 \ A. 1'.. amoniz' small 

 ,Urav('l, with manv shells. Air. 1 >. Iv L. \ w dkh Ahknd, showe<l me 

 from horiiiLis, done at A<lolfslioe\ e in the HarhMiimermeer poldei-, a 

 numhi'r of pehhh^s, raised amonu' coarse-urained sand and tine uraxcl, 

 amoniist which was a ui"ev (juart/.ile ol" 10 c.M. In horinus (hme in 

 helialf of the Lexden xx alerxxorks. in the Katxxijk dunes, wliere,Jus| 

 as at HiIlei>-oni, the uraxcl is coai'ser-ur;une(l than mostiv elsexx here, 

 at a correspondinu' depth, pehltles of the si/,e of a xxalnut. up to 

 dial of an e.uu', xx ere i-e|)eatedl_x met xxitli. Xearlv all these stones 

 are of Khinish origin, LiixiiiL;' ex idence of transport l»_x' lloaliniz' ice. 

 Mr. .1. Lankki.xix of Purmerend, told me, that in the man_\ horin.u's 

 he xcarix does, he had u'enerallv found in Xortli-H()llan<l, al alxtnt 



WO M. ; A. p., stones, someti s in such a lai'.u'e iiiimher and of 



such a considerahle si/.c, that tliex consideraUlv hindered the borings: 

 even to such an extent, in the ( )ostscliermei- |)oldei- (Polder l\), on 

 the lUokker road and al 1 1\..\1. south of the chin-ch. that lliex had to 

 . throxx up the xxork, anx fiirthei' progress heinu' rendered impossihie 

 \)\ die Wore sti-ikin,Li- on an ini|teuetraltle sloned)cd. immediat(>lv 

 nndei' the shclhhed. At Knkhui/.en. Mr. L\nkki-ma found, at an e(pial 

 de[>th polished and sci-atclie(l Scandinaxian stones, xxhich he had 

 freipienllx come across ( acc( » rd in, u' to his opinion : ü'ranites). Fr(nn 

 horiniis done at Alkmaar, Mr. Stoki, ^ax e me a fj-a.unieiit almost as 



1) Bulk'liii (Ic la Si)cirir \<vVj^l' (k; ( icoliioic, de I'ali'outoingic ct d" Hy(li-oloü;ie. 

 Tome 3, (188'.)), Mrnidircs, p. i-iU. 



-) 11)1(1. TuuK' i, (18*.)U), Procè.s-Vei'baux, p. :}21. 



