The Quarterly journal of the Geological Society of London . ing description refers was foundlast summer in the course of excavations made under my directionin the bed in Subdivision YIII. of the Joggins Section, between coalsno. 37 and no. 38 of Logans sectional list, already referred to in pre-vious papers f as containing great numbers of shells of Pupa bed is 1217 feet below that in which Pupa vetusta was origin-ally discovered in trunks of erect Sigillariae, and about 42 feet below * Conulus, Fitz., 1833 { = Trockiscus, Held., 1837, non Sly.; =Petasia, Beck,1837;= Perforatella,
The Quarterly journal of the Geological Society of London . ing description refers was foundlast summer in the course of excavations made under my directionin the bed in Subdivision YIII. of the Joggins Section, between coalsno. 37 and no. 38 of Logans sectional list, already referred to in pre-vious papers f as containing great numbers of shells of Pupa bed is 1217 feet below that in which Pupa vetusta was origin-ally discovered in trunks of erect Sigillariae, and about 42 feet below * Conulus, Fitz., 1833 { = Trockiscus, Held., 1837, non Sly.; =Petasia, Beck,1837;= Perforatella, Schliit.), is a subgenus of Zonites, Montf. (non Leach,Gray), according to Messrs. Adams, Grenera of Recent Shells, vol. ii. p. 116, andtheir follower Chenu, Manual de Conch, et de Paleont., vol. i. p. 422. Thosewho do not care to enter into the modern divisions of the land-shells, may quotethe species as a Zonites—or even, speaking loosely, as a Helix. t Quart. Jourii. Geol. Soc, Feb. 1862, and May 1866, p. 121. ^ XII!.. DeWilde lith. MAilJIanha-T-t unu AULDPHYLLUM AND CYCLOPHYLLUM 1867.] DAWSON CAEBONIPEBOFS PULMONATUM. 331 coal no. 37 *, or nearly in the middle of the band of reddish andgrey sandstones and shales intervening between coals no. 37 andno. 38. Its immediate associations are as follows, in descendingorder:— ft. in. Hard reddish shale with ironstone nodules 4 0 Pupa-bed, a variable layer, in some places of greyindurated clay, with a tendency to concretionarystructure, in other parts laminated and carbo-naceous with remains of plants 0 3 Shale, mottled, arenaceous 0 8 Sandstone, hard calcareous, light chocolate, wea-thering rusty 1 0 Shale, chocolate and mottled 2 8 Grey sandstone 0 6 Shale, chocolate and mottled 5 0 14 1 In digging into the bed, I found that the shells of Pujpa are irre-gularly disposed in nests, and are in some spots very abundant,especially in the argillaceous and nodular parts, while in otherplaces, and espe
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