. College collection of palaeontology. No. 234. [552, Cast]. Crioceras Duvalii, Leveille. This genus has all the essential char- acters of the Ammonites, save that its whorls are open, not touching each other in the enrolling of the shell. From the Lower Neocomian (Cretaceous), Escrag- noUes, France. Size, 11 X No. 235. [451, Cast]. Ancyloceras gigas, Sow. This magnificent and per- fect specimen (called by Sowerby Scaphites gigas), is from the Lower Greensand (Cretaceous), Atherfleld, Isle of Wight. Size, 18 x Please note that these images are extracted from scanned page images that m


. College collection of palaeontology. No. 234. [552, Cast]. Crioceras Duvalii, Leveille. This genus has all the essential char- acters of the Ammonites, save that its whorls are open, not touching each other in the enrolling of the shell. From the Lower Neocomian (Cretaceous), Escrag- noUes, France. Size, 11 X No. 235. [451, Cast]. Ancyloceras gigas, Sow. This magnificent and per- fect specimen (called by Sowerby Scaphites gigas), is from the Lower Greensand (Cretaceous), Atherfleld, Isle of Wight. Size, 18 x Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ward's Natural Science Establishment, inc. Rochester


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