Monograpkia Lapidum Calcar eorum, 1 3 3 
14 8 . Marga . 
Albertus Ritter. 
Schediusma de nucibus margaceis, vulgo mergel-niisse. 
Act. Acad. Nat. Cur. Vol. 6 App. p. 119 — 132. 
Supplementa, in Supplementis scriptorum suorum, p. 
65-67. 
Ainslie. 
An essay on Marle. 
Essay s by a Society in Edinburgh, Vol. 3. p. I— — 5 5 • 
William Withering. 
Experiments upon the different kinds of Marle found in 
Staffordshire. 
Philosoph. Transact. Vol. 63. p. 16 1. 
14 9 , 0 st eo colla, 
Tbomas Er astus. 
Epistola de natura, materia, ortu atque usu lapidis sabu» 
losi, qui in Palatinatu ad Rhenum reperitur. impr. 
cum ejus Disputationibus de medecina Paracelsi ; part. 
ait. app p. 125 — 143. Basileae, 1572. 4. 
Johannes Cbristophorus Bfckmann. 
Exiract of a lerter concerning Osteocolla. 
Philosoph Transact. Vol. 3. n. 39. p. 771 — 773. 
Ambrosius Beurer, 
De lapide Osteocolla inquisitio, ibid. Vol. 43. n. 476. p. 
373 — 379 - 
• : Abhandlung vom Steinbruch. 
Hamburg Magazin, 2 Band, p 384 — 391. 
Jobanti Gottlieb Gleditsch. 
Observations sur la veritable Osteocolle de la Marche de 
Brandebourg. 
Hist. de 1 ’Acad. de Berlin, 1748. p. 32—51. 
: Beobachtungen von dem wahren Beinbruche 
der Mark Brandenb(urg. 
Hamburg. Magazin, 8 Band, p. 574 — 603. 
— 1 - : Von dem Knochstejue in der Mark Branden- 
burg. in seine Physic. Botan. Oecon. Abhandl. 2 Theil, 
p. I 9 — 5 2 - 
Andreas Sigismund Marggraf. 
Experiences chymiques faites sur POsteocolle de la Marche. 
Hist. de PAcad. de Berlin, 1748. p. 52 — 59. 
