This report concerns 7 collections from the lower Kukpuk Valley. Two of these are probably not Mississippian in age. Collection 60ACr105, the stratigraphic position of which was listed as not well established, contains corals of Devonian aspect according to Miss Duncan. The fossils have been given to W.A. Oliver, Jr. for examination.

Collection 60ACr130, composed of several very small horn corals, probably represents the Siksikpuk formation. Both genera identified by Helen Duncan are reported elsewhere from the Siksikpuk and Tachylasma is not known from pre-Permian rocks.

Of the remaining 5 collections, one contains essentially coralline and bryozoan material (60ACr78) like that found low in the Alapah and its equivalents. This would suggest a correlation with the lower part of unit Ml₃.

The other collections contain elements of what appears to be a single fossil assemblage, composed predominantly of brachiopods, with abundant Leiorhynchus. This is a facies fauna that occurs in the "Culm" lithology nearly everywhere it is present. In relation to the measured section, these fossils could represent either the lower part of Ml₃ or Ml₁. It is quite possible that a shaly facies represents the entire Ml₁ - lower Ml₃ interval in other parts of the Lisburne peninsula.

On the other hand, because there are apparently Devonian and Permian rocks in the same general area, structural complications may have made the identification and distinction among shaly units very difficult.

***
Brief statement of problem and remarks (from collector):
The only specimen not well established as from this pre-Lisburne unit is 60ACr-105 which comes from a small isolated outcrop along the lower Kukpuk where the bedrock is generally covered. It may be Lisburne and assignment is critical. It is submitted in hopes that the fauna will be distinctively Lisburne or pre-Lisburne.