...Reproductive-wise, there is no question as to adulthood; each of thefour females was pregnant... 
E. Raymond Hall 「Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas, Mexico」
...In mice in the earlier stages of adulthood,underfur of the dorsum is buffy at the tips and gray basally...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...Consequently, mice in thelater stages of adulthood are grayish...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...The teeth are well worn, indicative ofold adulthood...
Rollin H. Baker 「Two New Moles (Genus Scalopus) from Mexico and Texas」
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