324 Trans, Acad. Sci. of St. Louis 
make 51.7% of the early visits at Inverness and only 
16.5% of those at Carlinville. 
The short-tongued bees show 12.4 and 27.7, while the 
long-tongued show 13.0 and 20.7. The bees make 48.5% 
of the early visits at Carlinville and 25.4% of those at 
Inverness. The short-tongued bees and flies make 56.9% 
of the early visits at Carlinville and 32. is of those at 
Inverness. 
BIBiLioGRAPHY. 
1. Robertson, C. 1887 (12). Fert. Calopogon. Bot. 
G. 12 :288-91. 
2. ——,1888. Zygomorphy. Bot. G. 13:146-51, 203-8, 
224-30. 
3. ——, 1889 (5). Fis. I. Bot. G. 14:120-6: 
4. ——, 1890. Fis. Umbelliferae. St L. A. 5:449-50. 
5. ——, 1891 (2). Fis. Asclep.Scroph. St. L. A. 
5 :569-98. 
6. ——, 1891 (3). Fis. VI. Bot. G. 16:65-71. 
7. ——, 1893 (2). Fis. X. Bot. G. 18 :47-54. 
8. ——, 1923 (10). Visits of Insects. Psyche 30 :158-69. 
9. ——, 1924 (9). Fls. XXIII. Bot. G. 78 :68.84. 
