272 NATURAL SCIENCE. Oct.. 1893. 



at night the bees entirely close up the tube with a sheet of wax, 

 leaving only a few minute openings for ventilation. 



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i Lubbock, Sir J.— Ants, Bees, and Wasps. London, 1882. 



2. Sharp, D. — On Stridulation in Ants. Trans. Ent. Soc. Loud., 1893, pp. 199-213, 



pi. ix. 



3. Wroughton, R. C. — Our Ants. J own. Nat. Hist. Soc. Bombay, 1892. 



4. Moller, A. — Die Pilzgarten einiger sudamerischen Ameisen. Bot. Mitt, aits 



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Soc. Vaud. des Sci. Nat., vol. xxix., 1893, pp. 51-53. 

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Geo. H. Carpenter. 



