1911. Entomol. Litteraturblätter Jahrgang XI. No. 4. 77 



Journal of Economic Entomology, Organ of the 

 Association of Economic Entomologists, ed. by E. P. 

 Feit. Vol. 4, No. 1. Concore!, N. ü., Febr. 1911. 

 Entomologischer Inhalt: Officers, etc. Pg, I — IX. — Procee- 

 dings of the XXIII. annual Meeting of the Association of Economic 

 Entomologists. Pg. 1—22. — Sanderson, E. D., The Work 

 of the Association. Pg. 23 — 34. — Headlee, T. J., Brief 

 Report on the Work now being prosecuted by some economic 

 Entomologists in the State Universities, Agricultural Colleges and 

 Experiment Stations of the United States. Pg. 35 — 47. — 

 Shafer, G. D., Effect of certain Gases and Insecticides upon the 

 Activity and Respiration of Insects. Pg. 47 — 50. Some Properties 

 that make Lime-Sulfur Wash effective in Killing Scale Insects, 

 Pg. 50 — 53. — Comstock, J. H,, Pernald, H. T. and 

 Osborn, H., The present Methods of Teaching Entomology 

 (SPapers). Pg. 53-63,63— 67, 67 — 74. — Brun er, L., Present 

 Methods of Teaching Entomology at the XJniversity of Nebraska. 

 Pg. 75—90. — Proceedings of the IX. annual Meeting of the 

 Association of official horticultural Inspectors. Pg. 96 — 99. — 

 Atwood, G. G., New York Nursery Inspection. Pg. 99 — 105. 

 — Howard, L. 0., Remarks on Inspection and some Considera- 

 tion of European Conditions in 1910. Pg. 106. — Marlatt, C. L., 

 Need of national Control of imported Nursery Stock. Pg. 107 — 

 126. — Howard, L. 0., Note on the Indian Enemies of Aley- 

 rodes citri R. & H., with Description of a new Species of Prospal- 

 tella. Pg. 130-132. — Editorial, etc. Pg. 133 — 136. 



Preis des Bandes: 13,50 Mark. 



Biological Bulletin of the Marine Biological Laboratory 



Woods Hole, Mass. Ed. by E. G. Conklin and otliers. 



Vol. 20, No. 1 w. 10 plates. Lancaster, Pa., Dec. 1910. 



Entomologischer Inhalt: Browne, E. N., Relation between 



Chromosome-Number and Species in Notonecta (w. pl. 1 — 5). 



Pg. 19—24. — Tower, W. L., A Correction and Addendum to 



the Paper of this Author in Vol. 18, No. 6 (Litteraturbl., 1910, 



pg. 185) (w. 1 flg.). Pg. 67—69. 



Preis des Bandes (6 Hefte): 15 Mark. 

 Preis des Einzelheftes: 3,50 Mark. 



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