21-2 (jeology and Mineralogy of the 



the same family, but thei^ diversity of form indicates difier- 

 ent organizations and consequent faculties and habits. It is 

 remarkable that these remains have no processes, nor place 

 of insertion for other bones. 

 Quebec, March 25, 1821. 



Extract from the letter which accompanied the preceding 

 memoir. 



Possibly too great stress has been laid on limestone of 

 recent formation being found in contact with granite without 

 observing its inclination.* 



The want of a more detailed Topography of these dis- 

 tricts is greatly felt : from its length and tediousness, it is 

 incompatible with the plan and interests of a periodical 

 work. I hope the epitome I have prefixed will suffice. It 

 would have been impossible to have furnished engravings 

 for all the organic remains — their description occupies fifty 

 six pages. The Topography and Geology with its appen- 

 dix fill one hundred and twenty pages of matter equally con- 

 densed with those now before you. This has been present- 

 ed to the Earl of Dalhousie. 



* We do not think so ; this fact as well as many others mentioned by Dr. 

 Bigsby is very curious and interesting:. — \_E,d.'] 



