JL Mareh 4, 1957 ” Dre MeLe Moree Webb Bldg, Madical Schkol University of Colorado Denver 20, Colorado Dear Larry, Tansk for your date. Unfortunately, the rueh of getting off prevents us from locking into them I didn't understand you on the rumor of Caléf'e datas Wasn't he at “acadene? ,id you fean “Gal" heterogenctes, or a variety of putial diploids, and was the Fe Shiga, strain B, or what? When possible we'll send on Hfr~2 (Hayes). We're sorry about the broken tubes hope that doesn't heppen againe This trip, beginning very early ‘ved. AM ao that we can go to Paria vie Montreal without swittching planes, comes just when I'm getting somewhere with one of the Pariw “lambdoide", and aleo in the ‘midst of a huge Gal umapping program. Both my somewhat scantier data and Newton's on Lac 1 although fruetrating to us, appear to be plausible on some notions of XO involving closely linked loci. Kaiser will be gitring a Zoology Oolloquium in the spring, and we will meet him then.Zidder, Benzéf, & Garen wisited quite recently. After vrodding, our Betheada friends have Gal 3 in the pot, but ha en't heard Prom them again. Meantime I received the protocolof the Praneferase-less ve. inaselese and followed it more or lese rigidlys Results not at this etage much nore impressive than, say, the old onpg test of Gal 1 vis Gal 2 etc « I'm requesting Weigle 's strains ag listed in the feb. 25 note just to have the standards on hand. It's good you'll be able to get tegether. I'm looking forward t@ the resalution? ise. you get his results with his phage & vice versa, By the way I was aware of various prob’eme you sentioned with " lambda-26" and co seque tly waex't too eager to vee them much.in a casual ways 4@ being Qur pereohal plane are etill hanging fire «