NOTES ON GLACIAL ACTION—HONEYMAN. 257 
phic, rocks of Archean or Pre-Cambrian age, with Granites, 
Syenites, Gneisses, &c. About 5 miles of these bring us to the 
Carboniferous, without any other Formation intervening. We 
are now in the Cumberland Coal Field, with Springhill Mines 
and the South Joggins, celebrated in geology on account of its 
marvellous shore section. Vide Dawson’s Acadian Geology, 
Lyell’s Elements, Dana’s Manual, &e. 
We have thus crossed Nova Scotia from Halifax Harbour to 
the Chiegnecto Channel, which separates it from New Brunswick. 
Sequence of Formations. 
Lower Cambrian with Granites, Carboniferous, Triassic, with 
igneous rocks, Carboniferous, Silurian, Archean, Carboniferous. 
I have referred to the Mollusea of Halifax Harbour and Bed- 
ford Basin. 
From Catalogue of J. M. Jones, F. L. S. Trans. 1877. 
CLASS CONCHIFERA. 
Fam. SOLENID. 
1. Solenomya borealis, Tott. Halifax harbour. (Verrill.) 
2. Panopcea arctica, Gould. Halifax harbour. 
Fam. Myab. 
3. Mya truncata, L. Halifax harbour. 
Fam. ANATINID. 
Lyonsia arenosa, Morch. Halifax harbour. 
5. Thracia myopsis, Beck. Halifax harbour. (Smith and 
Harger.) 
Fam. GASTROCHENIDA. 
6. Saxicava arctica, Desh. Museum. Halifax harbour. 
Fam. TELLINIDA. 
7. Macoma fusea, Gould. Halifax harbour. 
8. M. sabulosa, Moreh. ~Halifax harbour. (Smith and 
Harger.) 
