Shaw H.O., 1910-15 — 4 very short papers: A further note on the anatomical difference between the genera Cypraea and Trivia + Note on the referecnes to certain groups, etc

. used in the classification of Mollusca + Note on the genus Aricia of Gray + Descriptions of coour varities of Conus quercinus Hwass, and Cypraea lamarcki, Gray. In vo, pp. 5. Offprint from Proc. Malac. Soc.