Trail following in snails

Davis-Berg, Elizabeth C. 2012. The predatory snail Euglandina rosea successfully follows mucous trails of both
native and non-native prey snails. Invertebrate Biology. 131: 1 – 10. 10.1111/j.1744-7410.2011.00251.x

Davis, Elizabeth C. 2007. Investigation in the laboratory of mucous trail detection in the terrestrial pulmonate snail Mesodon thyroidus (Say, 1817) (Mollusca: Gastropoda: Polygyridae). American Malacological Bulletin 22: 157-164. 10.4003/0740-2783-22.1.157