LAND ANIMALS OF THE COAL PERIOD. 



385 



Zonites [Cumdus] priscus^ Carpenter. 

 Ill the summer of 1866 I made some excavations in the bed above 

 mentioned, and disinterred great numbers of the shells of the Pupa. 

 My object was to find other remains if possible ; and I was rewarded 

 with the discovery of another little land shell, which my friend Dr 

 P. P. Carpenter has described under the above name (Fig. 150).* It 



Fig. 150. — Conuhis priscus, Carpenter. 



h 



(«) Specimen; enlarged 12 diameters. (6) Sculpture; magnified. 



is quite different from the Pupa, being snail-like in form, with a wide 

 aperture and a very thin shell, sculptured on the surface in a different 

 way. The sub-genus Conulus is a subdivision of the old genus Helix, 

 and is a group of modern snails, sometimes included in the genus 

 Zonites. I may add that in the collections made in 1866 there are 

 fragments which may indicate the existence of at least one other land 

 snail, but not sufHcient for description. 



Xylolius Sigillarice, Dawson. 



Fig. 1.51. — Xylobius Sigillarice^ Dawson. 



'ml* 



(a) Natural size. (t) Anterior portion ; enlarged. (c) Posterior portion ; enlarged. 



I proposed, in 1859, the above name for an articulated worm-like 

 animal, of which numerous flattened specimens were found associated 



• Journal of Oeological Society, Nov, 1867. 



