Pomona College, Claremont, California 107 
Thistle, plumeless (Carduus spp.). 
Painted beauty or Hunter’s butterfly, Vanessa huntera (Fab.). 
Painted lady or thistle butterfly, Vanessa cardui (Linn.). 
Thistle, Queen Mary’s—see thistle, Scotch. 
Thistle, Scotch, Argentine, asses’, down, oat, Queen Mary’s, silver, Onopordon acanthium (Ljinn.). 
Painted beauty or Hunter’s butterfly, Vanessa huntera (Fab.). 
Painted lady or thistle butterfly, Vanessa cardui (Linn.). 
Thistle, Silver—see thistle, Scotch. 
Urtica—see nettle. 
BIBLIOGRAPHY 
Linneus, C., Syst. Nat., 10 Ed., pp. 475-478, 1758. 
Fabricius, J. Christ., Syst. Ent., p. 499, 1775. 
Scudder, S. H., Buffalo Soc. Nat. Sci. Bul., Vol. Il, pp. 254-255, 1875. 
Scudder, S. H., Butterflies, 1881. 
Middleton, Miss Nettie, 10th Rep. Ent. Ill., pp. 86-87, 1881. 
Letcher, B., Ent. News, Vol. IX, p. 38, 1898. 
Dickerson, Mary C., Moths and Butterflies, pp. 79-85, 1901. 
Wright, W. G., Butterflies of the West Coast, pp. 177-178, 1905. 
Holland, W. J., The Butterfly Book, pp. 170-171, 1914. 
Essig, E. O., Inj. and Ben. Ins. Cal. 2 Ed., Cal. Hort. Com., pp. 461-462, 1914. 
(Note—The author wishes to acknowledge with thanks the generous and valuable help received 
from Mr. E. P. Van Duzee, Prof. C. W. Woodworth and Dr. Ef. C. Van Dyke, all of the 
Department of Entomology, University of California, in preparing this paper; also to the 
California State Commission of Horticulture for the loan of the cut of Figures 10 and 11.) 
