1. Variation in the spire index of some coiled gastropod shells and its evolutionary significance;Cain;Philosophical Transactions of the Royal Society of London, Series B,1977
2. The deployment of operculate land snails in relation to shape and size of shell;Cain;Malacologia,1978a
3. Variation of terrestrial gastropods in the Philippines in relation to shell shape and size;Cain;Journal of Conchology,1978b
4. Whorl number, shape, and size of shell in some pulmonate faunas;Cain;Journal of Conchology,1980
5. Variation in shell shape and size of helicid snails in relation to other pulmonates in faunas of the Palaearctic region;Cain;Malacologia,1981