. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 328 bulletin: museum of comparative zoology. about in the hotter parts of the day. The specimens trapped were all taken in early morning or before evening. Hawks catch many of them. Sundevall's description was drawn from specimens collected on the White Nile by Hedenborg, and appears to apply well to the series from Sennar. The body measurements of adults are larger than he gives, however, for the average of three adults is: — head and body 163 mm., tail 149, foot 35, ear 19. Apparently A. abyssinicus does no
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 328 bulletin: museum of comparative zoology. about in the hotter parts of the day. The specimens trapped were all taken in early morning or before evening. Hawks catch many of them. Sundevall's description was drawn from specimens collected on the White Nile by Hedenborg, and appears to apply well to the series from Sennar. The body measurements of adults are larger than he gives, however, for the average of three adults is: — head and body 163 mm., tail 149, foot 35, ear 19. Apparently A. abyssinicus does not occur west of the Abyssinian border. At all events, persistent trapping failed to discover it; nor did Lord Lovat's expedition across Abyssinia find it farther west than Sellen and Goodur in the high country at the head of the Blue Nile. Acomys cineraceus Heuglin and Fitzinger. Gray-footed Spiny Mouse. Acomys cineraceus Heugl. and Fitzinger, Sitzb. Kon. akad. wiss. Wien, nat. cl., 1867, 54, pt. 1, p. 573. Two species of spiny mice were collected by the expedition. The one is a broad-footed, shorter-tailed animal, inhabiting all the low flat country of the Blue Nile Valley; the other is a slender-footed, longer-tailed species which we found only at Fazogli in the rocky hills which begin here at the Abyssinian border. The former I have referred to Heuglin's A. cineraceus; Heuglin's type locality is Doka, in eastern Sennar, between the Atbara and the Rahad Rivers. The original description is brief and refers to a figure previously published by Heuglin. In his "Reise" (1877), however, he gives a more detailed account, with measurements, which agree in all essentials with those of an immature specimen taken at Adreiba, a day's march above Roseires on the Blue Nile. We were fortunate in obtaining a second adult speci- men, much farther down the river at El Mesharat. Apparently it is a widely distributed species but was difficult to obtain in the dry and barren pl
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