Ancylus (a fresh-water shell like a limpet) firmly adhering to it; and.    From Wordnik.com.  [On the origin of species] Reference

Mr. Roper shot some ducks, and I found a species of Ancylus; besides the species of Limnaea and Paludina, which we had previously met with.    From Wordnik.com.  [Journal of an Overland Expedition in Australia : from Moreton Bay to Port Essington, a distance of upwards of 3000 miles, during the years 1844-1845] Reference

All this alluvium was evidently of fluviatile origin, for, in the interstices between the pebbles, the Ancylus fluviatilis and other freshwater shells were abundant.    From Wordnik.com.  [The Antiquity of Man] Reference

Limnaea, similar to those of Europe, creep along the surface of the water; small Planorbis live on the water-plants, to which also adhere Ancylus; and Paludina, Cyclas, and.    From Wordnik.com.  [Journal of an Overland Expedition in Australia : from Moreton Bay to Port Essington, a distance of upwards of 3000 miles, during the years 1844-1845] Reference

Along the shore were strewn shells thrown up by the surf; and on examining them, I found them all to belong to well-known old-world genera -- Unio, Planorbis, Ancylus, and Ampullari.    From Wordnik.com.  [The Naturalist in Nicaragua] Reference

Sir Charles Lyell also informs me that a Dyticus has been caught with an Ancylus (a fresh-water shell like a limpet) firmly adhering to it; and a water-beetle of the same family, a Colymbetes, once flew on board the Beagle. when forty-five miles distant from the nearest land: how much farther it might have flown with a favouring gale no one can tell.    From Wordnik.com.  [On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life] Reference

Sir Charles Lyell also informs me that a Dyticus has been caught with an Ancylus (a fresh-water shell like a limpet) firmly adhering to it; and a water-beetle of the same family, a Colymbetes, once flew on board the 'Beagle,' when forty-five miles distant from the nearest land: how much farther it might have flown with a favouring gale no one can tell.    From Wordnik.com.  [On the Origin of Species~ Chapter 12 (historical)] Reference

Sir Charles Lyell informs me that a Dytiscus has been caught with an Ancylus (a fresh-water shell like a limpet) firmly adhering to it; and a water-beetle of the same family, a Colymbetes, once flew on board the ‘Beagle’, when forty-five miles distant from the nearest land: how much farther it might have been blown by a favouring gale no one can tell.    From Wordnik.com.  [XIII. Geographical Distribution-Continued. Fresh-water Productions] Reference

Neither of Ancylus, which lives attached, limpet-like, to sticks and stones, and has very limited facilities of migration, are there any species throughout the province more than we have in Britain. ".    From Wordnik.com.  [The Naturalist in Nicaragua] Reference

Ancylus.    From Wordnik.com.  [The Naturalist in Nicaragua] Reference

Ancylus, 386.    From Wordnik.com.  [On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. (2nd edition)] Reference