268 



PROCEEDINGS OP THE GEOLOGICAL SOCIETY. 



[Dec. 14, 

 The others may be all Candonce, and of 



live in brackish water), 

 freshwater habits. 



It is to the recent and tertiary species that the above-described 

 Cypridce appear to be allied, as far as the foregoing observations are 

 concerned. 



EXPLANATION OF PLATES XIV.-XVII. 



Plate XIY. 

 Fig. 1. Neritina. 

 2. Paludina. 



3 a. Melania terebriformis, spec. nov. J- Montserrate. 



3 b. „ „ portion magnified. 



3 c. „ „ another specimen (Smooth var. 



4. Jaw and teeth of a fish. Plantaforma. 

 5-8. Scales of Lepidotus, with radiate sculpture. 1 ^ , , 

 9-13. Smooth scales of Lepidotus. J 



Plate XV. 



Fig. 1 a, 1 b, 2, 3, 4. Scales of Lepidotus, with radiate sculpture. 

 5. Tooth of Crocodile, with coarse riblets. 



Plate XVI. 



Fig. 1 a, 1 b, 2, 3, 5. Teeth of Crocodile, with delicately wrinkled 

 surface. 

 4, 6, 7, 8. Teeth of Crocodile, with strong continuous 

 stria? and coarse riblets. 



9. Sculptured bone of Crocodile. 



10, 11, 12. Scales of Lepidotus, with granulate ornament. 



(Figs. 11 & 12 show the smooth under side.) 

 13 a. Cypris (?) conculcata, spec. nov. Right valve. 

 136. ,, „ Back view. 



13 c. „ „ Young. Right valve. 



14. Candona Candida, Muller. 



15. Cypris (?) Monteserratensis, spec. nov. 



16. Cypris (?) Allportiana, spec. nov. 



17. Cypris^i). 



Plantaforma. 



- Montserrate. 



Plate XVII. 



Fig. 1, 2. Lateral views of a Dorsal Vertebra of a Dinosaurian 1 

 Reptile. (Half natural size.) i 



3. Outline of end view of the same. (Natural size.) 



4. Outline of side view of the same. (Natural size.) J 



Montserrate. 



3. On a TerPvEStrial Mollusk, a Chilognathotts Myriapod, and 

 some New Species of Eeptiles, from the Coal-Formation o/Nova 

 Scotia. By J. W. Dawson, LL.D., F.G.S., Principal of M'Gill 

 College, Montreal. 



On revisiting the South Joggins in the past summer, principally with 

 the view of collecting material for the further prosecution of my re- 

 searches on the structure of coal, I was informed by Mr. Boggs, the 

 superintendent of the mine at that place, that a second erect tree 

 had been exposed by the wasting of the cliff, in the bed which had 

 afforded to Sir Charles Lyell and the writer in 1851 a fossil stump 



