OF THE NEIGHBOURHOOD OF BISHOP'S STORTFORD. 217 species, broken by birds in extracting the snail, are frequently found on gravel heaps.) H. cantiana, Mont. Hedgerows ; common. H. rufescens, Penn. Hedgerows ; frequent. H. concinna, Jeff. Hedgerows; common. H. virgata, Da Costa. Very abundant in one field near Stortford Park, and frequently found elsewhere. H. caperata, Mont. Abundant in old chalk-pit near Farn- ham—not common in other parts of the district. H. ericetorum, Mull. Hedgerows; frequent. H. rotundata, Mull. Frequent. H. pulchella, Mull. In old chalk-pit, near Farnham; un- common. H. lapicida, L. Hedgerows, especially near Hallingbury; frequent. *H. arbustorum, L. Near Great Hadham. A single specimen. *H. pygmaea, Dp. Farnham; rare. Bulimus obscurus, Mull. Near Stortford Park, occurs generally with Clausilia rugosa ; frequent. Pupa umbilicata, Dp. In old chalk-pit, Farnham; un- common. Vertigo pygmaea, Drap. In old chalk-pit, Farnham ; rare. Clausilia rugosa, Drap. Hedgerows and ditches; rarely found alive; frequent. C. laminata, Mont. Near Berry Green, Little Hadham, Herts : rare. Cochlicopa tridens, Pult. In old chalk-pit, Farnham, and elsewhere; frequent. C. lubrica, Mull. Occurs with C. tridens ; frequent. Coecilioides (=Achatina) acicula, Milii. In old chalk- pit, Farnham ; uncommon. Carychium minimum, Mull. In old chalk-pit, Farnham ; uncommon. Cyclostoma elegans, Milii. In a few damp ditches and on hedgerows, very abundant near Great Hadham, but not met with in other parts of the district. The nearest spot to Essex in which I have found it is at "Exnalls" (spelled "Exlands" on many maps) between Hadham and Stortford. This would be at least 21/2 miles from the Essex boundary.