Show evolution caught 0 lit in act by study of tree snail washington evolution has been caught in the act by dr paul bartsch curator of mollusks at the united states national museum in a newly completed study of a angly beautiful species of treo tree snail from the philippines first collected and described a hundred years ago this snail species has been re described again and again under new names because mutational have gone on so rapidly that each subsequent collector thought ho he had bad found boand something new however with a really large and complete collection before beford him doctor bartsch was able to demonstrate that the whole varied life complex is really one species the snail Is known to zoologists as vir gata |