36. A cat with an electrode inserted into his skull.
(Source unknown)

37. Rats in the course of an experiment during which they were surgically stitched together like Siamese twins (Budapest)
Photo drawn from: Annual Pictorial Review of the Scottish Society for the Prevention of Vivisection (1950s - early 1970s)

38. A cat in a restraining device.
(Source unknown)

39. Monkeys inside restraining devices.
Photo drawn from: Annual Pictioral Review of the Scottish Society for the Prevention of Vivisection. (1950's - early 1970's).

40. Dogs killed after experiments in the CBSC laboratories, Burlington, USA, 1990.
Courtesy of P.E.T.A. (1980's-1990's)