--- description: In Little Rock last week, Lloyd Darnell explained a bill of his which the Arkansas House of Representatives had just passed. "Everyone looks at a mule's teeth to determine his age,"... title: Animals: Mule Law image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- * [U.S.](/section/us/) # Animals: Mule Law by [TIME](/author/time/) Feb 1, 1937 5:00 AM CUT by [TIME](/author/time/) Feb 1, 1937 5:00 AM CUT In Little Rock last week, Lloyd Darnell explained a bill of his which the Arkansas House of Representatives had just passed. “Everyone looks at a mule’s teeth to determine his age,” said Author Darnell. “Under my bill, mule swappers can’t file a mule’s teeth \[sharp\] and sell you an ancient animal on the claim that he’s a youngster.” ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/archive/6779553/animals-mule-law/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/archive/6779553/animals-mule-law/"},"headline":"Animals: Mule Law","datePublished":"1937-02-01T05:00:00.000Z","dateModified":"2026-03-03T15:20:10.504Z","description":"In Little Rock last week, Lloyd Darnell explained a bill of his which the Arkansas House of Representatives had just passed. \"Everyone looks at a mule's teeth to determine his age,\"...","url":"https://time.com/archive/6779553/animals-mule-law/","keywords":[],"thumbnailUrl":"","author":[{"@type":"Person","name":"TIME","url":"https://time.com/author/time/"}],"articleSection":"U.S.","image":[],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/us/","name":"U.S."}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/archive/6779553/animals-mule-law/","name":"Animals: Mule Law"}}]}] ```