478 ENTOMOLOGICAL NEWS. [May, 



geographical distribution of the Opilionidae, 2 pis., 89, heft i. 

 berg 1 , E. On the scorpions obtained during the Swedish expedition to 

 Tierra del Fuego, 1895. Wissenschaftliche Ergebnisse der schwedischen 

 Expedition nach den Magellanslandern, 1895-1897, Unter Leitung von 

 Dr. Otto Nordenskjold Bd. ii, Zoologie, erstes Heft, Stockholm, 1899. 

 Id. Some biological observations on Galeodes and Bnthus, Ofversigt, 

 Kongl. Vetenskaps-Akademiens Forhandlingar, Ivi, 10, Stockholm, Dec. 

 J 3. '99- Pocock, K. I. Some new or little-known Thelyphonidae* and 

 Solifugae, 11. 



PROTOTRACHEATA. Bomier, E. L. On the origin and 

 the relationships of the Arthropods of the class Onychophora (Peripafus 

 and neighboring forms), 12. 



MYRIOPODA. Silvestri, F. See Apterygota. Verluieft, C. 

 Contributions to knowledge of palaearctic Myriopoda, x. On the compara- 

 tive morphology, phylogeny and classification of the groups and of the 

 species of the Lysiopetalidas, figs., 3 pis., 89, Heft i. 



APTERYGOTA. Silvestri, F. Projapyx styliferQ. F. Cook, 

 also in the Argentine Republic; A new genus of Polyxenidae, 22, Mar. 5. 



ORTHOPTERA. Burr, M. Exotic Forficulas of the Royal 

 Museum of Natural History of Brussels, 35. Hancock, J. L. A new 

 Tettigian genus and species from South America, figs., 5. Krauss, 

 H. A. On a peculiar organ in the field grasshopper Pcecilocerus soco- 

 tranus Burr, figs , 22, Mar. 19. Moore, H. How does the earwig 

 fold its wings ? How long does Blatta orientalis L., 9 carry its ootheca 

 before deposition ? 21. Perkins, R. C. L. Orthoptera [and] Neurop- 

 tera, Fauna Hawaiiensis, vol. ii, pts. i and 2, Cambridge [England], Aug. 

 19, Sept. 25, '99. Scudder, S. H. The species of the Orthopteran 

 genus Derotmema* Proceedings, American Academy of Arts and Scien- 

 ces, xxxv, 19 [Boston], Mar., 1900. Id. The species of the CEdipodine 

 genus Heliastus Sauss. occurring in the United States,* 5. Id. Cata- 

 logue of the described Orthoptera of the United States and Canada.* 

 See notice, post. 



XEUROPT ERA. Perkins, R.C. L. See Orthoptera. Tough, 

 J. A new species of Gomphus* figs., 127. Wasinauu, E. See 

 Hymenoptera. 



HEMIPTERA. Betlmiie, C. J. S. See Economic Entomology. 

 Champion, G. C. Rhynchota Heteroptera, vol. ii, pi. xviii, 1.5. 

 Cholodkovsky, N. A. On the questionof the sexual apparatus of 

 Chcrmes [in Russian], 98, Oct. Cockerell, T. D. A. Table of North 

 American Kermes, based on external characters, 5. Del Guercio, 

 D. G. See Economic Entomology. Fowler, \V. W. Rhynchota 

 Homptera, vol. ii, pt. i, pp. 257-264 [ Tettigonia*']. 15. Hanson, H. JV 

 On the morphology and classification of the auchenorrhynchous Homop- 

 tera [transl. from Danish orig.], 9. Paulmier, P. C. The spermato, 

 genesis of Anasa tristis, 2 pis., Journal of Morphology, xv, Supplement- 

 Boston, Dec., 1899. Smith, J. B. See Economic Entomology. 



