Congo, being a systematic list of the Butterflies and Moths collected by 

 the American Museum of Natural History Congo Expedition, together 

 with descriptions of some hitherto undescribed species." By W. J. 

 Holland, LL.D., 40; 1. " Kafer aus der Familie Tenebrionidae gesamnielt 

 auf der Hamburger deutsch-siidwest afrikanischen Studienreise 1911." 

 Abhaudl. Auslandsk. Hamburg. Univ. Bd. 5, Reihe C. naturwiss. Bd. 2, 

 1920. By Hans Gebien. 2. "E4sultats de I'Exp^d. Scient. N^erlandaise 

 a la Nouvelle Guinea." Vol. xiii. Zool. Livr. 3, 1920. Coleoptera, 

 Fam. Tenebrionidae. By Hans Gebien, 65 ; "The Biology and Ecology 

 of Aquatic and Semi-aquatic Hemiptera, and the Male Genitalia as 

 Characters of Specific value in certain Cryptocerata." By H. B. 

 Huiigerford. Kansas University Science Bulletin, December 1919, 66; 

 " Monografia delle Coccinigiie Italiane " by Gustavo Leonardi : edited 

 by Prof. F. Silvestri : by E. E. Green, 144 ; " Lea Col(5optere8 d'Europe : 

 France et Regions voisines." Par C. Houlbert. Tome premier, 157 ; 

 " Insect Pests of Farm, Garden, and Orchard." By E. Dwight 

 Sanderson. Second edition revised and enlarged by Leonard Marion 

 Peairs, 211 ; " Insect Transformation " by George PI. Carpenter, D.Sc. . 278 

 Rhadiuoceraea micans Klug, the Iris Sawfly, Notes on the oviposition and 



habits of, 229 ; Further note on 261 



Ripersia eui'opaea Nevrst. as a British species . . . . , . . . , . 234 



Salius exaltatus, Monstrous form of . . . . , . . . . . . . 40 



Saprosites, A. {? parallelus Harold) in Britain . . . . . . . . . . 252 



Sapyga clavicornis Linn, and Nomada guttulata Schenck at Hastings . . 261 

 Sawtlies, The egg-laying of . . . . . . . . . . . . . . 19 



Scenopinus fenestralis De G. (Diptera), Does it hibernate ? . . . . , . 155 



Scolytid, An introduced, in Staffordshire . . . , . . , . . . 36 



Season, Another Early . . . . . . . . . . . . . . . . 154 



Selandria serva. The Life-history of . , . . . . . . . . . . 256 



Silpha quadripunctata L. hovering, 154 ; (Xylodrepa) near Sheflield . . 233 



Sirex juveucus in Yorkshire . . . . . . . . . . . . . . 277 



Societies.— Entomological Society of London, 114, 212, 237, 264, 279; 

 London Natural History Society, 263, 279; South London Entomo- 

 logical Society, 21,44,68, 187, 237, 262; Yorkshire Naturalists' Union: 

 Entomological Section . . . . . . . . . . . . . . 41 



Sphecodes, Two new species of bees of the genus . . . . . , . . 9 



Staphylinidae, New species of, from India . . . . . . , . . . 270 



Stenopelmus rufinasus Gyll., an addition to the list of British Coleoptera, 



225 ; in Belgium, 277 ; in Norfolk 274 



Stenus subdepressus Rey, a British insect , . . . . . . . . . 31 



Tapiuotus sellatus F. at Horning . . . . . . . . . . . . 88 



" Trap," A, for sap-frequenting beetles . . . . . . . . . . , . 64 



Trichius fasciatus L. in London . . . . . . . , . , , . . . 277 



Vanessa antiopa in Sussex . . . . . . . . . . . . . . 236 



Wheat-bulb Fly (Leptohylemyia coarctala Fall.), Observations on the Life- 

 History of the 92 



" Wiener entomologische Zeituug," The . . . . , . . . , , 276 



