I don't like the word sinistral as it comes from the same old word as sinister, and has negative meanings. But is used for left-handed people, of which I am one.
Friday, 20 April 2012
Direction of coiling (torsion) in snails
Just recently I've been getting a load of emails from students in the US using my snail page, I'm sure there are loads better pages around, so I don't know why they like mine. Perhaps it's the mating pics. Anyway I decided to clear something up, and that is how to tell the difference between dextral and sinistral coiling. So I drew a diagram showing the difference as my written explanation wasn't very good. And here it is.