MBL/Yoods Hole, Mass . August 8, 1954 vo ‘ \ Xx Ke Dear Seymour-~ This is the first chance I've had to thank you for sending “e the Vanlobacter. It arrived in somewhat "natural" condition, ies, mixed with a fast growing motile rod, b:t just before leaving Madison, I think I got it out, partly with help of single cell isolation. I'll let you know of anythin: further. In ry firct looks, I could not make out the stalks on living cells except when the cells were tilted for an oblicue view. ‘Yours, oe / Joshua Lederberg a