Vol. XXXl] ENTOMOLOGICAL NEWS I43 



NEUROPTERA. Ballowitz, E.— Ueber die samenkorper der libellen. 

 Die spermien der Agrioniden. 51, xciii, Abt, 2, 1-14. Karny, H. — 

 Synopsis der Megathripidae (Thysanoptera). 47, i, 105-10, (cont.) 



ORTHOPTERA. Jeziorski, L. — Der thorax von Dixippus morosus. 

 Ueber das wachstum und wachstumskorrelationen bei Dixippus morosus. 

 104, cxviii, 1-24. Verhoef u. Kleine — Kann Forficula auricularia 

 fliegen? Hat Periplaneta orientalis einen stridulationsapparat. 45, xiv, 

 19 1 8, 85-86. Yuasa, H. — The anatomy of the head and mouth parts 

 of Orthoptera and Euplexoptera. 70, xxxiii, 251-307. 



HEMIPTERA. Davis, W. T.— The seventeen-year cicada on Long 

 Island, X. Y., in 1919. 19, xv, 17-18. Grove, A. J. — The anatomy 

 of the head and mouth parts of Psylla mali, with some remarks on the 

 function of the labium. 64, xi, 456-88. Keilin & Nuttall — Herma- 

 phroditism and other abnormalities in Pediculus humanus. 64, xi, 279- 

 328. Malloch, J. R.— Notes on some species of the homopterous genus 

 Gypona. 19, xv, 22-3. Nuttall, G. H. F. — The systematic position, 

 synonymy and iconography of Pediculus humanus and Phthirus pubis. 

 64, xi, 329-46. Picaud, A. — Le cycle biologique du phylloxera. (La 

 Nature, 1920, 65-8.) Riley, C. F. C. — Migratory responses of water 

 striders during severe droughts. 19, xv, i-io. Schumacher, F. — 

 Ueber Psociden-feinde aus der ordnung der Hemipteren. 45, xiii, 19 17, 

 217-18. Strindberg, H. — Zur entwicklungsgeschichte der oviparen coc- 

 ciden. 52, 1, 1 13-139. 



Drake, C. J. — An undescribed water strider from the Adirondacks. 

 19, XV, 19-21. Descriptions of new North American Tingidae. 82, 

 XX, 49-54. Osborn, H. — Notes on the generic affinities of certain Cica- 

 dellidae. 82, xx, 153-66. 



LEPIDOPTERA. Busck, A. — Descriptions of new Central American 

 microlepidoptera. 15, viii, 83-95. Cockerel!, T. D. A. — The generic 

 position of Sphinx separatus. 4, Hi, 33-4. Dyar, H. G. — New moths 

 from Mexico. A new noctuid from Colombia. 15, viii, 30-5; 82. Ehr- 

 mann, G. A. — A new tropical American Papilio. 17, iv, 13-14. Fro- 

 hawk, F. W. — Retarded development of Coenonympha tiphon. 9, 1920, 

 66. Hampson, G. F. — On new genera and species of L. Phalaenae, 

 with the characters of two new families. 71, xxvi, 253-82. Kaye, 

 W. J. — A geographical table to show the distribution of the American 

 Papilios. 71, xxvi, 320-57. McMurray, N. — Calocampa nupera. 17, 

 iv, 14-16. Moss, A. M. — The Papilios of Para. 71, x.xvi, 295-319. 

 Mousley, H. — The Rhopalocera or butterflies of Hatley, Stanstead 

 County, Quebec, 1919. (Canadian Field Nat., xxxiv, 7-10.) Prout, 

 L. B. — ^New moths in the Joicey collection. 11, v, 286-93. Stichel, H. 

 Nachtrag zu Genera Insectorum, Fasc. 63, Lepidoptera Rhopal. Fam. 

 Nymphalidae, Subfam. Dioninae. 47, i, 80. Turner, W. B. — Lepi- 

 doptera at light traps. 59, xviii, 475-81. 



