Index 137 
PSYCHE. 
InpDEX TO Vor. XXV. 1918. 
INDEX TO AUTHORS. 
Aldrich, J. M. Notes on Diptera, 30. 
Baker, A. C. Another Toxoptera feeding on Sedge (Homoptera; Aphidide), 88. 
Ballowe, H. L. The Breeding of Mosquitoes in Alkaline Water, 96. 
Barber, H.G. Synoptic Keys to the Lygzide (Hemiptera) of the United States, 71. 
Becker, G. J. Empoasca mali Attacks Man, 101. 
Book Reviews: 
F. E. Lutz. Field Book of Insects, 36. 
A.S. and P. P. Calvert. A Year of Costa Rican Natural History, 36. 
Brues, C. T. Book Reviews, 36. 
Brues, C. T. A New Species of Evania from the Cameroons (Hymenoptera: 
Evaniide, 93. 
Chamberlain, R. V. Myriapods from Nashville, Tenn., 23. 
Chamberlain, R. V. New Polydesmoid Diplopods from Tennessee and Mississippi, 
122. 
Crampton, G.C. A Phylogenetic Study of the Terga and Wing Bases in Embiids, 
Plecoptera, Dermaptera, and Coleoptera, 4. 
Crampton, G. C. The Genitalia and Terminal Abdominal Structures of Male 
Neuroptera and Mecoptera, with Notes on the Psocide, Diptera and Tri- 
choptera, 47. 
Dickerson, E. L. See Weiss, H. B., 59. 
Dobson, R. J. A European Termite Reticulotermes lucifugus Rossi in the Vicinity 
of Boston, 99. i 
DuPorte, E. M. On the Structure and Function of the Proventriculus of Gryllus 
pennsylvanicus Burm, 117. 
Glaser, R. W. On the Existence of Immunity Principles in Insects, 39. 
Glaser, R. W. and A. M. Wilcox. On the Occurrence of a Mermis Epidemic 
Amongst Grasshoppers, 12. 
Gibson, E. H. and Abby Holdridge. The Genus Narnia Stal, and a Key to the 
Genera of Anisoscelini A. and 8. (Coreidz: Heteroptera), 1. 
Grinnell, Fordyce, Jr. Some Variation in the Genus Vanessa (Pyrameis), 110. 
Holdridge, Abby. See Gibson, E. H., 1. 
Howe, R. H., Jr. Distributional Notes on New England Odonata, 106. 
Johnson, C. W. Notes on the Species of the Genus Dioctria, 102. 
Ludlow, C.S. Trichoprosopon Theobald (Diptera; Culicidz), 66. 
Ludlow, C.S. A Note on Limatus durhami Theobald (Diptera; Culicide), 127. 
Mac Gregor, E. A. Lipeurus dovei nom. novy., 46. 
Mann, W. M. Myrmecophilous Insects from Cuba, 104, 
Marchand, Werner. First Account of a Thermotropism in Anopheles punctipennis, 
with Bionomic Observations, 130. 
Nicolay, A.S. See Weiss, H. B., 128. 
Parshley, H. M. Hemipterological Notes, 64. 
Richardson, C. H. The Pulsatile Vessels in the Legs of Aphidide, 15. 
Smulyan, M. T. Key and Descriptions for the Separation and Determination of 
the First Instar Stem Mothers of the Three Species of Aphids most Commonly 
Attacking the Cultivated Apple, 19. 
Weiss, H. B. and E. L. Dickerson. Notes on Trioza alacris Flor in New Jersey, 59. 
Weiss, H. B. and A. S. Nicolay. Notes on Closterocerus cinctipennis Ashm., in 
New Jersey (Hymenoptera), 128. 
Wilcox, A.M. Ascogaster carpocapse,a Parasite of the Oriental Moth, 17. 
Wilcox, A. M. See Glaser, R. W., 12. 
