nemoralis

Its brown lip distinguishes Cepaea nemoralis from the similar Cepaea hortensis.

Archive 2009-05-01 AYDIN 2009

The evolutionary implications of Cepaea nemoralis polymorphism have been studied for decades (again, check out the Evolution MegaLab pages for introductory information).

Archive 2009-08-01 AYDIN 2009

Although Reed (1964) cited two 19th century records of C. nemoralis from Canada, those may have been based on specimens of the similar C. hortensis.

Archive 2009-08-01 AYDIN 2009

Under Helix hortensis (= C. hortensis), there is this statement concerning Helix nemoralis (= C. nemoralis): In 1857 I imported some hundred specimens from near Sheffield, England, and freed them in my garden at Burlington, New Jersey.

Archive 2009-08-01 AYDIN 2009

To my surprise, it turned out to be Cepaea nemoralis, a native of Europe introduced to a few places in the U.S.

Archive 2009-05-01 AYDIN 2009

There have been other intentional and unintentional introductions of C. nemoralis over the years (Reed 1964).

Archive 2009-08-01 AYDIN 2009

At one of my localities, a steep, wooded and rocky slope, I spent, literally hanging onto the bushes and tree branches to stop myself from sliding down to the river at the bottom, about 15 minutes searching for Cepaea nemoralis.

The vagaries of field work AYDIN 2009

The bands on the shell and the black lip suggests Grandville had in mind Cepaea nemoralis when he drew his gastropodian servant.

Archive 2009-01-01 AYDIN 2009

This skull was a secondary find during last Saturday's field trip for Cepaea nemoralis.

Archive 2009-08-01 AYDIN 2009

Since we will write a manuscript eventually, I am now in the process of collecting the relevant literature and learning about not only the history of C. nemoralis in North America, but also its biology.

Archive 2009-08-01 AYDIN 2009