g32 Prof. BucKLAND on Coprolites. 



III. Coprolites in Oolite. 

 I have very recently discovered Coprolites in limestone of the Oxford oolite 

 formation at Osmington Mill on the coast of Dorset, about four miles east of 

 Weymouth ; and Mr. Jelly has found them in the Kimmeridge clay at the 

 base of Shotover Hill near Oxford : they are small, the largest is of the size 

 of a filbert; others are of irregular shape, like those in the lias at Westbury 

 and Watchet; the character, however, of these Coprolites from the oolite 

 and Kimmeridge clay is somewhat obscure. 



IV. Coprolites in Hastings Sand. 

 About four years ago, in the collection of Mr. Mantell, I found a specimen 

 from the Hastings sandstone of Tilgate Forest, which I suspected to be feecal, 

 and of which I then prepared a drawing*, and obtained an analysis from Dr. 

 Wollaston, and subsequently from Dr. Prout, as before stated : it contains 

 much phosphate of lime, and has fish-scales imbedded in it like the Coprolites 

 at Lyme ; like them it has also a spiral structure, but differs in the circum- 

 stance of the coiled substance being rather cylindrical, whereas in the lime 

 Coprolites it is nearly flat. I know not to which of the many reptiles Mr. 

 Mantell has discovered at Tilgate this Coprolite may be referred. He has 

 lately found other specimens of this same unknown species of Coprolite. 



V. Coprolites in Green-sand. 

 To the Rev. B. Richardson of Farley Castle I am indebted for a specimen 

 of Coprolite in green-sand from Wiltshire ; — it is nearly of the size of 

 a filbert, and very stony. Dr. Prout's analysis shows it to contain a con- 

 siderable proportion of siliceous matter ; it effervesced moderately in dilute 

 muriatic acid, emitting faintly the peculiar smell usually given off by Copro- 

 lites ; and the portion dissolved consisted essentially of phosphate and car- 

 bonate of lime; it is engraved at Plate XXXI. fig. 17. Miss Anning has 

 recently found similar small Coprolites in the green sand near Lyme. 



VI. Coprolites in Chalk. 

 Whilst I was examining and drawing the specimens from the lias that are 

 represented at Plate XXVIII. figs. 3. 4. 5. 10. 11. 12. 12'., their structure 

 so much reminded me of the fossil luli of the chalk and chalk marl which 

 have been described by Woodward, Parkinson, and other writers, as fir cones 

 of the larch f, that it occurred to me these so-called luli must also be of fascal 



* Plate XXXI. fig. 18. 



t See Woodward's Catalogue, Part II. p. 22. 6. 72., and Parkinson's Organic Remains, 

 vol. i. p. 447. and Plate VI. figs. 16. 17.— Mantell's Geology of Sussex, p. 103. et seq. 



