216 Sir W. E. Logan on the Fauna of the Quebec Rocks. 
BR 
Remarks on roe Fauna or THE Quesec Group or Rocks AND THE 
Prmorpra, Zone or Canava.* (In A Lerrer appressep To Mr. 
Joacum™ BarranpE oF Paris, sy Srr Witu1am E. Locan, Director 
oF THE GeoL, Survey or CANADA. j 
Montreal, 31st Dec., 1831. 
My Dear Mr. BarranprE: 
Iam much indebted to you for your letter of the 6th of Au- 
gust, which was accompanied by a copy of your communication 
to Professor Bronn of Heidelberg, dated 16th July. Agrees 
to your request, I took an early opportunity of letting Mr. Hall 
have a copy of your communication to Prof. Bronn, and he 
received it on the 11th or 12th September, 1860. 
am of course aware, from the correspondence you have had 
with my friend Mr. Billings and myself, how far you are ac- 
erops dip to the southeastward. 
From the more northern out-crop (which we shall call A*) we 
have obtained Orthis 1, Leptena 1, Camerella 1, Lingula 2, Dis: 
cina 1, Agnostus 8, Conocephalites 1, Arionellus 4, Dikellocephalus 
6, Bathyurus 4. From the more southern out-crop (which we 
_ shall call A*) we have Dictyonema 1, Orthis 2, Leptena 1, Siro 
phomena 1, Camerella i Cyrtodonta (?) 1, Murchisonia if park ag 
é a rollus 2, Capulus 2, Agnostus 
Bathyurus 4, Cheirurus 2, Singin en ee third out-crop, 
which is still farther southward, and supposed to be ano er 
