Amongst the numerous localities where the Carboniferous limestone strata of the West of Scotland have yielded the remains of Polyzoa, we know of none where these organisms have been obtained in greater profusion and variety, than at Hairmyres, near the village of East Kilbride, Lanarkshire. At this place, in former years, a bed of limestone, of the calmy or cement variety, in which comparatively few fossils are found, was worked along its outcrop in open-cast quarries, but in recent years these quarries have been abandoned, although plenty of the limestone is still to be found at a moderate depth from the surface. The Rev. David Ure has the following note on the Hairmyres limestone*: “Lime from Kilbride is in high repute, both for manure and building. It generally takes a strong band, and some of it, especially that from Hairmyres, has this peculiar quality, that, when properly mixed and wrought, warm as the workmen express themselves, it very readily takes a firm band in water. For this reason it is used in building bridges.” Ure further mentions that this lime, if used for plaster work before being properly soured or slacked, “has a tendency to rise in blisters, and has been found to lose its hardness and consistency, and to fall down into powder, after being for sometime on the wall. A considerable quantity of moisture seems necessary to make this uncommon lime retain its solidity. Owing to this quality, however, it may in some cases be preferable to most This 250-word extract was created in the absence of an abstract