Letter, regarding the rupture of the stomach or a large receptacle grown from the bottom of a hen's stomach from Abraham Vater to William Rutty Vater describes a hen that 'labour'd under a considerable and very hard tumorof the abdomen, which continually compelled her to sit.' An explanation of a figure is given but no figure is attached. Subject: Veterinary medicine Read to the Royal Society on 13 November 1729 [1729]