Vol. 52.] ON THE UPPER PORTION OF DTJNDRr HILL. 687 



ft. ins. ft. ins. 

 Dispansi. 4. Yellowish, argillaceous sandstone ; 

 Hauimatoceras, sp. nov., involute with 

 helmet-shaped whorls 5 



5. Bluish arenaceous clay 1 



6. 'The Upper Rkynchonella-bed.'' Some- 



what yellowish-brown, iron-speckled 



stone. Rhynchonella aif. Moorci 5 



7. Brown, irregularly iron-speckled, tough, 



earthy stone. Grammoceras Struck- 

 manni in the upper half, and canali- 

 culate belemnites. Haugia aif. Eseri, 

 Striatuli. Gramm. striatulum, and numerous 



(2 inches of bed cylindrical belemnites at the base and 

 7 : the other 4 about 2 inches up. Rhynchonella aff. 

 inches of the 6" Moorei in the bed. Thickness 6 inches. 4 



belongs to Bis- 2 2 



pansi.) 2 



8. Dark brown, coarse, but irregularly 



ironshot stone — the grains generally 

 crowded. Grammoceras striatulum not 

 uncommon ; Gr. cf. Scemanni 1 speci- 

 men ; belemnites 6 



Variabilis. 9. Stone with similar matrix. Fragments 

 of several species of tbe costate tuber- 

 culate Haugia aff. jugosa. One 

 fragment of a large, strongly costate 

 species of the Lillia Lilli type, 

 Zeilleria aff. anglica (between Lycetti 

 and anglica) 3 



10. Stone with similar matrix. Haugia aif. 



jugosa, fairly large and fairly frequent, 

 but in very poor condition. Large 

 belemnites 2| 



11. 'The Lower Rhynchofiella-bed.' Stone 



with similar matrix, Haugia sp., 

 Rh. aif. Moorei 1 not uncommon. This 

 bed also contains the following derived 

 fossils, showing a pink matrix, and 

 more or less coated with iron oxide : — 

 Hildoceras bifrons, and especially 

 the thin form ; 2 Dactylioceras, spp. 3 

 Fragments of Harpoceras aff. falci- 

 ferum ; also irony lumps 4 



12. Compact, blue, irregularly ironshot 



limestone with iron lumps, bearing 

 worm-tracks. Derived lumps of a pink 

 matrix, and derived fossils — the same 

 as in the overlying bed. Belemnites, 

 smooth Pectens, Rhynchonella 4 



1 H 



Biprontis. 13. Compact argillaceous limestone, blue 

 and ironshot for the upper 5 inches, 



1 It is a form different from the Rhynchonella in Bed 6. 



2 See pi. xxii. figs. 30 & 31, in ' Monogr. Inf. Ool. Ammonites,' by S. S. 

 Buckraan. 



3 Three species :— 1. Cf. Besplacei, d'Orbigny, pi. cvii. ; Dayi, Reynes, ' G-eol. 

 & Paleont. aveyronnaises,' pi. v. fig. 7. 2. Cf. subarmatum, Dumortier, vol. iv. 

 pi. xxviii. fig. 0. 3. Cf. commune, Sowerby, pi. cvii., but less coarsely costate. 



