Shoe several different shoe-size systems that are used worldwide. These systems differ in what they measure, what unit of measurement they use, and where the size 0 (or 1) is positioned. Only a few systems also take the width of the feet into account. Some regions use different shoe-size systems for different types of shoes (e.g., men's, women's, children's, sport, or safety shoes). Units for shoe sizes vary widely around the world. European sizes are measured in "Paris Points", which are worth two-thirds of a centimeter. The UK and American units are approximately one-quarter of an inch, starting at 8¼ inches.
Montane guinea pig Montane guinea pig The montane guinea pig, "Cavia tschudii", a type of rodent, is a guinea pig species from the Andes in South America. The montane guinea pig is the likely ancestor of "Cavia porcellus", the cavy or domestic guinea pig. Peruvian wild guinea pigs were first described by E. T. Bennett in 1835, who termed them "Cavia cutleri". Johann Jakob von Tschudi, in an 1845 publication, used the term "Cavia cutleri" to refer to what are now considered two separate entities - the first, Bennett's "Cavia cutleri", which was later (by Oldfield Thomas in 1917) identified as probably a