Proceedings of the Scientific Meetings of the Zoological Society of London 1869

Page 696

648 MR. HARPER PEASE ON THE [Dec. 9, Of Sec 2 the most aberrant form is Partulina crassa, which inhabits the island of Lanai. Genus 6. LAMINELLA (Pfr.). Laminella, Pfr. Mai. Blatt. 1854, p. 126 ; Mon. Hel. Viv. 1859, vol. iv. p. 546. T. elongato-ovata vel turrita ; plica columellari lamelleeformi, torta, compressa; perist. simplici, recto; labro tenui aut sub-incrassato. Laminella gravida (Fer.). Laminella magna (C. B. A d . )- picta (Migh.). " baldwini" (Newc). straminea (Rve). violacea (Newc.) = "gigantea" (Newc). Sec. 2. belia (Rve.) = remyi (Newc). "polita" (Newc). sanguinea (Newc). concavospira (Pfr.). terebra (Newc). concinna (Newc). tetrao (Newc). erecta (Pse). venusta (Migh.) = fusoidea (Newc). "citrina" (Pfr.). mighelsiana (Pfr.). zebra (Newc). Sec. 3. Laminella qihysa (Newc). The typical species of this genus are peculiar in having their outer lip thin. W e place provisionally under Sec. 2 a number of species which agree with the type in the character of the outer lip. They are of smaller size and generally more elongate in shape. I also add a peculiar species, inhabiting Hawaii, which has no distinct allies. Genus 7. F R I C K E L L A (Pfr.). Frickella, Mai. Blatt. 1855, p. 2 ; Mon. Hel. Viv. 1859, vol. iv. p. 569. Frickella amcena (Pfr.). Genus 8. PERDICELLA (Pse). T. dextrorsa vel sinistrorsa, bulimiformi, turrita vel elongato-co-nica, imperforata, tenuiter striata; plica columellari vix con­spicua vel nulla ; perist. simplici; labro tenui. Perdicella alexandri (Newc). Perdicella sandwichensis (Pir.). helena (Newc). ornata (Newc). minuscula (Pfr.). zebrina (Pfr.). • manoensis (Newc). A group of prettily painted little shells, strictly bulimiform in all their characters.