TY - CHAP T1 - On Haplodiscus piger. T2 - Report 57th Meeting British Association for the Adv. of Sc. held at Manchester 1887. Y1 - 1887 A1 - Weldon,WFR SP - EP - 740 KW - Haplodiscus orbicularis KW - Haplodiscus piger KW - Haplodiscus ussowi JF - Report 57th Meeting British Association for the Adv. of Sc. held at Manchester 1887. PB - London ER -