24 Mamm. 
MAMMALIA. 
226. Macleay, W. Zoology of Australia. P. R. Soo. Tasrn. 1885, 
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A general account of the Mammalian fauna on pp. 285-288. 
227. Macpiierson, H. A. The Habits of the Greater Horse-shoe Bat. 
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228. Matthiessen, L. Ueber den physikalisch-optischen Bau des Auges 
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229. McWilliam, J. A. On the Structure of the Intestine in the Hedge- 
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In the Hedgehog, though no external differentiation into large and 
small intestine is visible, there is a marked histological differentiation. 
In the Mole there is an entire absence of villi. 
230. Mead, J. R. Note on Two Kansas Mammals. Bull. Washb. Coll, 
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Note on the Black-footed Ferret and the Prairie Dog, and their occur- 
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231. Mearns, E. A. Description of a Rare Squirrel, new to the Terri- 
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Complete account of habits and external characters of Spermophilus 
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232. Menges, J. Verwilderte Kamele in Arizona. Zool. Gart. xxvii, 
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On a herd of Camels living wild in Arizona, descendants of domestic 
Camels used in the Mexican war in Texas, fifty years ago. The herd 
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233. Merriam, C. H. Description of a New Subspecies of the Common 
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Division of Tamias striatus into 2 subspecies \cf. Tamias\. 
234. . Preliminary Description of a New Species of Aplodontia 
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Science, vii, p. 219. [Cf. No. 236.] 
234a. . Preliminary Description of a New Squirrel from Minnesota 
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235. . Preliminary Description of a New Pocket Gopher from 
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236. . Description of a New Species of Aplodontia ( Aplodontia 
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237. . Description of a New Species of Chipmunk from Cali- 
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