-5-

“-parvus, Lobites pacianus, Nathorstites mcconnelli
Whiteaves, N. mcconnelli var. lenticularis Whiteaves
‘Sagenites gethingi, Nitanoceras selwyni, Nitanoceras
leve, Proarcestes sp., Protrachyceras sikanianun,
P. ZEUMAS » Enbemies EIS and Silenticeras hatae ----~-~ 430

Natnoranites thus ranges through avproximately 5350 feet of strata,
through all of the 'Dark siltstones! and into the lower vart of the 'Grey beds!.
The brachiopods and a few perecyneas contemporary with Nathorstites, range
about 200 feet higher than this Eeapeneeiet ome ae this higher horizon the
genus Linsvla appears, that is, at an horizon above the range of Nathorstites.

The following were polleeuen on’ the hill just east of Aylara Creek and
directly north of Wise Boattie shexakete buildings, in the Bteys oak calcareous

sandstones: and srey limestones of the mice part of ays 'erey beds': Monotis?

“pele ‘3

— —_—

vey 7

montini, Daonella, SD., “Modiolus ahsisi,. Hoerhesia moyoniana, Gorvillia Spey
Nathorstites meconnelli: ‘var: Lenticulatis Waiteaves: and Protrachyoeras

Sumeanentine a
‘The ;following were BEEBE Ced by Beach 3 miles ae of ed Creek and
1 mile north of Peace. River and from the lower part.of..the \Grey. ReAgOt

Monotis? ‘montini, Pectey sarsina n. sp., Jstrea atsina. n. sp., Enantiostreon

spe, and Placunopsis sp.

Nathorstites-bearing strata also occur in the bed of a small stream,
Mahaffy Creek, on a low Ane balow Mahaffy Cliffs ,'-about 15 miles west of
Schooler Creek on the north side of the valley. Grey, massive, fine,
calcareous sandstones, limestone etc. of the 'Grey beds! contain:

‘Goenothyris' BPs: Monotis? montini, Daonella SDPe, Myophoria cf. urd Boehm,
Placunozsis abe and Neehoneiinos mcconnelli var. lonticularis Whiteaves.
They are overlain by beds of similar aneloeda with "Cocnothyris! SPe,

Spiriferina ae Lineule . ‘Much higher in the tarey eds! and in the Mahaf fy
Cliffs are grey sandstones and limestones with oclocypods of the 'Mahaffy
cliffs! fauna

‘

The Hathorstites-fauna occurs on the opie spur of Brown Hill in massive

grey, eee eet fine sandstones and grey limestones of the Grey beds!.

Here are Monat? montini, Modiolus ahsisi, Pecten (Hatolien) Spe, Ostrea
atsina ns sD., Myophoria cf. urd Boehm, Myalina? sp., Pleur omya triasina,

Pleurovhorus cf. kissoumi, Nathorstites meconnelli Whiteaves, and