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(1) ArmstrONG, J. B. 3 
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@)sBrar Wd: 
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(3) 
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(4). Boutey, H. L. 
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(5) Coox, A. J. 
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(6) Darwin, C. R. 
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1898. The Origin of Species... v.1. New York. 
(8) Dunnine, J. W. 
1886. [Report on importation of humblebees into New Zealand.] Jn Proc, Ent, 
_ Soc. London, 1886, p. xxxli-xxxiv. 
(9) Frerrimizine clover and cow-grass. 
1891. Im Agr. Gaz. N.S. Wales, v. 2, pt. 10, p. 636. 
(10) Fousom, J. W. 
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(11) Fruwirets, Kart. 
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(12) 
1906. Die Ziichtung der landwirtschaftlichen Kulturpflanzen. Bd. 3. Berlin. 
(13) GENEVIER, GASTON. 
- 1876. Inflorescence et fécondation dans le genre trifolium. Jn Assoc. Frang. 
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(14) Hopxrys, A. D. 
1896. On the flowering habits of timothy and red clover and the pollenization of 
the flowers by insects. Jn Proc. 17th Ann. Meeting Soc. Prom. Agr. 
Sci., 1896, p. 35-40. 
(15) —~ | 
1896, Some notes on observations in West Virginia on farm, garden, and fruit - 
insects. Jn U.S. Dept. Agr. Div. Ent. Bul. 6, n.s., p. 71-73. Also in 
West Va. Agr. Exp. Sta., 9th Ann. Rpt. [1895]/96, p. 152-155. 
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