Vol. XXVlii] ENTOMOLOGICAL NEWS. 89 



C., N. Da., O., Okl., 3. Da., Tenn., Tex., Ver., Va., Wis.) (Sect. E, A. 

 A. A. S.) 



METHODS. C. W. COLLINS, Melrose Highlands, Mass., Methods 

 Used in Determining Wind Dispersion of the Gypsy Moth and Some 

 Other Insects. S. S. GROSSMAN, Melrose Highlands, Mass., Some 

 Methods of Colonizing Imported Parasites and Determining Their In- 

 crease and Spread. W. H. GOODWIN, An Improved Pin Tray.* J. W. 

 McCoi.LOCH, Manhattan, Kansas, A Method for the Study of the Life- 

 histories of Underground Insects. Z. P. METCALF, Entomological 

 Charts.* B. H. WALDEN, New Haven, Conn., Simple Apparatus for 

 Insect Photography. 



MORPHOLOGY. ADELBERT L. LEATHERS (Olivet College), Section 

 F Some Homologies in the Epipharynx and Hypopharynx of the 

 Nematocerous Diptera. A. PETERSON and A. D. MAcGiLLiVRAY, Some 

 Modifications in the Legs of Insects.* WILLIAM COLCORD WOODS, The 

 Malpighian Vessels of the Alder Flea-beetle.* 



EMBRYOLOGY, ETC. J. R. DE LA TORRE BUENO, Life Histories and 

 Habits of Gerridae.* ULRICH DAHLGREN (Princeton University), In- 

 vestigations of the Light Organs of Arthropods. (Zoologists.) B. H. 

 GRAVE (Knox College), Life History of Zcugophora scutillaris. (Zool- 

 ogists.) J. A. HYSLOP, The Phyletic Value of Ontogenetic Charac- 

 ters in the Elateridae.* WILLIAM PATTEN, Dartmouth College, The 

 Notochord of an East Indian Scorpion. (Anatomists.) MAX P. 

 ZAPPE, New Haven, Conn., Egg-Laying Habits of Diprion simile Mar- 

 tig- 



CYTOLOGY. W. L. BAUMGARTNER (University of Kansas), The 

 Chromosome Complex in Apithes agitator* (Zoologists.) C. B. 

 BRIDGES, Deficiencies in the Genetic Materials of the Chromosomes of 

 Drosophila. (Naturalists.)- E. ELEANOR CAROTHERS (University o 

 Pennsylvania), The Segregation and Recombination of Homologous 

 Chromosomes in Two Genera of Acrididae (Orthoptera). (Section 

 F.) CAROLINE M. HOLT (University of Pennsylvania), Multiple Com- 

 plexes in the Alimentary Canal of Culc.r pipicus. (Section F.) C. E. 

 McCLUNG (University of Pennsylvania), Multiple Chromosomes of 

 Hespcrotettix and Mermiria. (Zoologists.) D. H. WENRICH (Univer- 

 sity of Pennsylvania), Synapsis and Chromosome Organization in the 

 Male Germ Cells of Chorthippus and Trlmerotropis. (Section F.) P. 

 W. WHITING (University of Pennsylvania), The Spermatogenesis of 

 Culcx pipicns, L. (Section F.) 



GENETICS (all at the Zoologists.) CALVIN W. BRIDGES (Columbia 

 University), The Elimination of Males in Alternate Generations of 

 Sex-Controlled Lines. ROSCOE R. HYDE (Indiana State Normal 

 School), Effect on Fertility of Crossing Closely and Distantly Relat- 

 ed Stocks of Drosophila ampclophila. CHAS. W. METZ (Carnegie In- 

 stitution of Washington), Linkage in the Sex-Chromosome of a New 



