156 ENTOMOLOGICAL XEWS. [April, '18 



which, curiously, are not numbered, except in the list on pages vii-ix, 

 although the black and white plates bear their proper serial numbers. 

 Many of the four-color figures have a slight blurred effect in the print- 

 ing, unfortunately. The introduction tells very briefly of nomenclature, 

 growth and structure and much more fully of collecting and preserving 

 insects and the control of injurious insects. This book will do much for 

 entomology. — P. P. Cal\trt. (Advt.). 



Doings of Societies. 



Meeting of Ohio Entomologists. 



For some years it has been the custom for the entomologists of 

 Ohio institutions to hold an annual meeting, the main purpose being 

 to correlate the entomological activities of the State. Such meetings 

 are open to active entomologists and students specializing in ento- 

 mology. 



At the recent meeting held in the Botany and Zoology building 

 of the State University, at Columbus, on January 29, 1918, thirty- 

 seven entomologists were present and the following program was ren- 

 dered : 



General. — Herbert Osborn: Entomological objectives in the 

 Biological Survey. F. H. Krecker: Insect fauna of rock-bottom 

 ponds. 



Economic. — E. W. Mendenhall: Observations on some insects in 

 nurseries for the year 1917. J. S. Hine: Apicultural conditions in 

 Ohio. D. M. DeLong: Remarks on work with tobacco pests and 

 leaf-hoppers. D. C. Mote: Experiments with Sodium fluoride in 

 controlling sheep lice. 'A. J. Basinger: A survey of greenhouse 

 pests for Columbus and vicinity. J. S. Houser: The insect out- 

 breaks in southern Ohio woodlands, 1916-17. J. R. Stear: Geo- 

 graphical distribution of the insect pests of Ohio for 1917. C. A. 

 Weigel: On the penetration of insecticides. T. L. Guyton: The 

 potato aphid outbreak of 1917. Richard Faxon: The control of 

 animal parasites at the front. 



Arachnida„ — Wm. AI. Barrows: Observations on field and 

 meadow spiders. 



Homoptera. — H. A. Gossard: The periodical cicada in Ohio in 

 1917. R. K. Fletcher: Observations on Miridae. J. C. Hamlin: 

 Observations on Membracidae. (See also Hymenoptera). 



Hymenoptera. — F. A. Fenton: Notes on Leaf-hopper parasites. 



Lepidoptera. — R. S. AIcKay: The evergreen bag-worm, habits and 

 food plants. 



Diptera. — C. L. Metcalf: Notes on Syrphidae. 



J. S. Houser, Sec'y. 



