Williams.] THE BRASSUA LAKE FOSSILS. 91 
Little Brassua Lake. — Section 1061 A is on the south shore of Little 
Brassua Lake, along the line of the Canadian Pacific Railroad. The 
section begins at the milepost 237 and extends south about three-fourths 
of a mile along the track eastward. This station is in Sandwich Town- 
ship, west of Big Brassua Lake. 
Section 1061 A. 
Feet. 
A 0. A heavy-bedded sandstone, barren, thickness unknown. 
A 1. 120 feet east of A 0, barren, bluish gray on new surface, 1 >ut weathers to gray . 1 5 
A 2. Hard blue compact sandstone, weathering to whitish; dip 43°, N. 10° W., 
barren 15 
A 3. 1,230 feet directly ESE. of A 2; more shaly than A 2; dip 62°, N. 10° W.; 
28 feet from its lower surface fossils were found 60 
A 4. 1,140 feet east of nearer end of A 3; a hard, heavy-bedded sandstone, blue, 
weathering to gray 6 
A bluish-brown, shaly sandstone, containing fossils 8 
Hard sandstone, with round vertical borings 8 
Heavier-bedded sandstone, light blue-gray, barren 13 
Slaty, dark surfaces, laminated, barren 12 
Blue-gray sandstone, like A 7, few fossils 12 
. Blue, laminated, shaly sandstone, barren, like A 8 , . . .. 5 
. Hard bluish gray, like A 9, barren „ 50 
. Laminated shaly sandstone, with fossils 10 
Drift ". 30 
A 13. Hard, heavy-bedded sandstone, barren 10 
Fauna of 1061 A 4. 
Chonetes antiope Bill. 
Fauna of 1061 A 5. 
1. Lingula sp. ? I 3. Modiomorpha sp. (also 1061 A 3) . 
2. Sphenotus sp. I 4. Lingula artemis. 
Stony Brook. — Section 1061 B 1 is a hard, tough sandstone, shaly in 
some places, the greater number of the fossils being from the shaly 
part. 
Fauna of 1061 B 1. 
A 5. 
A 6. 
A 7. 
A 8. 
A 9. 
A 10 
All 
A 12 
1. Spirifer gaspensis. 
2. Spirifer gaspensis, large. 
3. Chonetes antiopa Bill. 
4. Chonetes cf. mucronata. 
5. Strophomena blainvillii Bill. 
6. Orthis cf. Lucia Bill. 
7. Leptoccelia flabellites (? to this fauna) 
8. Spirifer? 
9. Avicula. 
10. ? Crinoid. 
11. Zaphrentis cf. rugulata. 
12. Amphegenia sp. 
13. Loxonema sp. 
14. Dalmanites sp. 
15. Modiomorpha sp. 
16. Spirifer cycloptera? Bill. pi. 3 a, fig. 
4 c. 
Big Brassua Lake. — Several exposures were examined on the shores 
and islands of Big Brassua Lake (1062). The rocks presented the 
same general characters met in the sections farther west. 
