Hoffmeister 1940 Peromyscus truei gilberti fused down but they do not stand erect. They can be lifted up with forceps. No hair has come thru yet, but there is a greater concentration of black dorsally or on the sides now. The eyes are closed. Oct. 31 There is an indication of the postjuvenal pelage begin to come in along the lateral line. In this region there is a very fine line of ochraceous hairs starting at the bottom of the black hair of the dorsum. Nov. 3 Tail 43.5 mm; hind foot, 17.7 mm. Eyes open. Coat color is much darker than other specimens I have thought considered as being in juvenal pelage. The hair on the dorsum is very black basally tipped with a grayish-ochraceous band. It is more grayish on the head than posterior to the ears. About Dec. 1 The young is still in juvenal pelage and, if any, there was only a very slight ochraceous along the lateral line. It also was apparently able to crack open sunflower seeds. Dec. 23 The young animal shows no discernible ochraceous anywhere & I believe it is still in juvenal pelage (over 10 weeks since birth !). It moves around rapidly & leaves the tin-can nest rarely. The ad ? usually takes the food to the can for the young one. It seems to fight considerably with the female. 1941 Jan 2 ♀ collected Oct. 12, 1940 by C.M. Miller died today and I injected it with 10% formalin. The juvenile offspring of this ♀, and in the same cage, was very weak and feeble, so I killed it. This young (sex not determined) was one of 4 born Oct. 12. The animal appeared to me to still be in juvenal pelage, with ochraceous adult (or subadult) pelage appearing as a pectoral spot in this animal, continuing