CLAS SIPMCAMMONIOL NOP PER PALL OAOIGIRO GS, 707 
No. 16, at the summit of the formation just below the lowest 
stratum of massive limestone and flint, is another. 
In the yellow shales of No. 7, exposed in the second railroad 
cut west of Crusher Quarry Hill, the following species were 
collected: 
1. Chonetes granulifera, Owen. (a) 
2. Athyris (Seminula) subtilita, (Hall) Newb. = A. argentea,, 
(Shep.) Keyes. (rr) 
Productus semureticulatus, (Martin) de Koninck. (c) 
Derbya crassa, (M. and H.) H. and C. (rr) 
Meekella striato-costata, (Cox) White and St. John. (rr) 
Rhombopora lepidodendroides, Meek. (a) 
Septopora biserialis, (Swallow) Waagen. (rr) 
as No. 16, immediately below the base of the flint at the 
brow of Crusher Hill, the following species were obtained: 
1. Chonetes granulifera, Owen. (c). 
Derbya crassa, (M. and H.) H. and C. (1) 
Athyris (Seminula) subtihta, (Hall) Newb. =A. argentea,. 
(Shep.) Keyes. (rr) 
4. Productus sp. (tr) 
5. Crinoid stems. (1) 
Certain layers of the coarser shales and limestones of this. 
formation contain a fauna composed largely of Lamellibranchs, 
and from the yellowish blocky shales of No. 6, in the railroad 
cut west of Craik’s Creek and Crusher Hill, the following 
species were collected: 
1. <Aviculopecten occidentalis, (Shum) Meek and Worth. (c) 
2. Pseudomonotis Hawn, (Meek and Hayden). (c) 
3. Meekella striato-costata, (Cox) White and St. John. (c) 
4. Pseudomonotis Hawn, (M. and H.), var. ovata M. and H. 
(rr) 
5. Pinna peracuta Shum. (?) (rr) 
6. Fleurophorus cf. oblongus, Meek. (tr) 
7. Derbya crassa, (M. and H.) Halland Clarke. (rr) 
8 
9 
fo) 
Si CVG IS ws 
Ww WN 
Athyris (Seminula) subtilita, (Hall) Newb. (rr) 
Productus semirecticulatus, ( Martin ) de Koninck. (r) 
Chetetes cf. carbonarius, Worth. (rr) 
