Vol. XXvi] ENTOMOLOGICAL NEWS <J5 



Data on the Life Economy of the Chinch Bug Egg Parasite (Results of 

 the life history studies of the past summer). H. A. SURFACE, Harris- 

 burg, Pa., Efficiency of Parasites of the San Jose Scale (An outline on 

 the efficiency of parasites in cleaning up this pest; their natural spread 

 in Pennsylvania, and their successful dissemination 1>y artificial means). 



LEPIDOPTERA. C. P. GILLETTE, Colorado Agricultural College, 

 Interpretation of the Codling Moth Data from Colorado.* L. HASE- 

 MAN, University of Missouri, Life-history, Development, and Work of 

 Unspotted Tentiform Leaf-miner of Apple.* EDNA MOSHER, Univer- 

 sity of Illinois, Pupal Characters Used in the Classification of the 

 Sphingidae.* CORNELIA F. KEPHART, Cornell University, The Poison 

 Glands of Antomcris io, Fabr.* PAUL S. WELCH, Kansas Agricultural 

 College, The Biology of Nymplutla inaculalis Clemens.* 



HEMIPTERA. C. P. GILLETTE, Fort Collins, Col., Notes on Plant 

 Lice having Alternate Food Habits ; Food Habits of Some Colorado 

 Aphids.* R. A. COOLEY, Montana Agricultural College, A Photographic 

 Record of the Development of the Female Lcpidosaphcs ulmi Linn.* 

 W. D. FUNKHOUSER, Ithaca High School, Notes on the Life-histories of 

 certain Membracidae.* H. OSBORN, Ohio State University, On the Life- 

 histories of Cercopidae and Jassidae.* MORTIMER D. LEONARD, Cornell 

 University, Notes on Capsid Life-histories.* C. R. CROSBY, Cornell 

 University, An Insect Enemy of the Four-lined Leaf-bug.* ANNA 

 GRACE NKWKLL, University of Illinois, The Homology of the Genitalia 

 of Bcnacus griscus* 



DIPTERA. J. M. ALDRICH, U. S. Bureau of Entomology, Results of 

 Twenty-five Years Collecting in the Tachinidae ;* The Habits of Sar- 

 cophagidae. FREDERICK KNAB, U. S. National Museum, The Nemocera 

 not a Natural Group of Diptera.* ALVAH PETERSON, University of 

 Illinois, Studies on the Morphology of the Head and Mouth-parts of 

 Diptera.* 



OBITUARY. 



JOHN MUIR, the widely-known mountaineer and Californian 

 naturalist, died suddenly of pneumonia, at the California Hos- 

 pital, in Los Angeles, on December 24, 1914, at the age of 

 nearly 77 years. His books, especially The Mountains of 

 California, Our National Parks, My First Summer in I lie 

 Sierra, will always be read and valued by the Californian natur- 

 alists. Two species of Lepidoptera were named in his honor 

 by Henry Edwards in 1881 ; a pretty little noctuid moth, Cyrus 

 iiniirii, from Tuolumne County, and Thccla muirii, from 

 Mendocino County. After describing the latter butterfly, 



