FLOiVER POLLINATION 235 



557. Cobelli, Buggero. I movimenti del fiore e del frutto dell" Erodium gruinum Ait. 



Nuovo Giom. bot. ital., Firenze, xxiv, 1892, pp. 59-64.— Ab. : Justs bot. Jahres- 

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558. Gli Apidi pronubi della Brassica oleracea L. Abh. ZoolBot. Ges., Wien, xl, 



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559. Osservazioni sulla fioritura e fecondazione della Primula acaulis Jacq. Op. cit., 



xlii, 1892, pp. 73-8.— Ab. : Justs bot. Jahresber., Leipzig, xx, (1892) 1894, p. 475. 



560. Osservazioni sulla fioritura e sui pronubi di alcune piante. Nuovo Giom. bot. ital., 



Firenze, xxv, 1893, pp. 6-15. 

 56L Cooconi, G. Contributo alio studio dei nettari mesogamici delle Caprifogliacee. 

 Mem. Ace. sc, Bologna, Ser. 4, ix, 1888, pp. 279-85. 



562. Cookayne, Ii. Descriptionof new species of Astelia, Veronica, and Celmisia. [Visits 



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 pp. 419-24- 



563. Cookerell, T. D. A. Insects attracted by Solanum in New Mexico. Nature, 



London, xlviii, 1893, P- 438. — Ab. : Justs bot. Jahresber., Leipzig, xxi, (1893) 

 1896, p. 340. 



564. The alpine flora ; with a suggestion as to the origin of blue in flowers. Nature, 



London, xliii, 1891, p. 207. — Ab. : Bot. Centralbl., Cassel, Beiheft. i, 1891, p. 416. 



565. White-flowered Linum perenne, Bot. Gaz., Chicago (111.), xiii, 1888, p. 215. 



566. Insects and colours of flowers. Sci. Gossip, London, xxv, 1889, pp. 242-3. 



567. Compilations of Reports on plants visited by bees in Australia. Agric. Gaz., 



Sydney, N.S.W., iv, 1893, p. 90. 



568. Flower and Insect Records from New Mexico. Ent. News, Acad. Nat. Sci., 



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569. Bees from Southern California, visiting Flowers of Eriogonum and Rhus. [Pros- 



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570. The Bees of the genus Perdita F. Smith. [Many visits to flowers.] Proc. 



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571. Notes on New Mexican flowers and their insect visitors. Bot. Gaz., Chicago 



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572. New and little-known North American Bees. [Visits to Rubus ursinus, Lupinus, 



Lycium torreyi, Syringa, Cleome serrulata, Dithyrea wislizeni, Grindelia squar- 

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573. The Insect Visitors of Flowers in New Mexico. Zoologist, London, Ser. 4, ii, 



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PP- 394-5- 



574. New and little-known Bees from Washington State. [Visits to Rubus ursinus, 



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575. Notes on some South-western Plants. [Visitors to Verbena Macdougali.] Bull. 



Torrey Bot. CI., New York, xxvii, 1900, pp. 87-9. 



576. The Cactus Bees; genus Lithurgus. Amer. Nat., Boston (Mass.), xxxiv, 1900, 



pp. 487-8- 



577. Some bees visiting the flowers of Mesquite. [Visits of Centris rhodopus CkiL, 



C. Canosa Ckll., C. hoflfmanseggii Ckll., Anthidium parosele Ckll., Megachile 

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 newberryae sp. nov., Lithurgus gibbosus Sm., Colletes prosopidis Ckll., and 



