139 



BIBLIOGRAPHY. 



1868 Zimmerman, C., Synopsis of the Scolytidse; Trans. Am. Ent. Soc. 2: 141-149. 



1868 LeConte, J. L., Appendix to Zimmerman's Synopsis; Trans. Am. Ent. Soc., 2: 150-178. 



1869 Chapuis, F., Synopsis des Scolytides; Mem. Soc. Liege, 3: 213-269. 

 1876 LeConte, J. L., The Rhyncophora; Proc. Am. Phil. Soc., 15: 341-39J. 



1876 Lindemann, C., Monographic der Borkenk. Russ.; Bull. Moscow, T. 51, No 4 320-380 



1879 Eichhoff, W., Ratio. Tomicinorum. 



1881 Eichhoff, W., Die Europ. Borkenkafer. 



1888 Bedel, L., Faune Col. Bassin Seme, 6: 358, 421. 



1894 Reitter, E., Bestimmungs-tabelle der Borkenkafer. 



1895 Blandford, W. F. H., Biol. Centr.-Americana, Insecta, Scolytidae, Col., Vol. 4, Pt. 6: 81-298. 



1896 Verhoeff, C., Ueber das Abdomen der Scolytiden: Archiv. fur Naturgesch. Jahrg 62 



Bd. 1, 109-144. 



1898 Lowendal, E. A., De Danske Barkbiller. 



1903 Ganglbauer, L., Systematisch-koliopt. Studien, Munch. Koleopt. Zeitschr., 1: 271-319. 

 1907 Tredl, R., Nahrungs und Verbreit der Borkenk. Europas; Ent. Blatter, Bd. 3. 

 1909 Hopkins, A. D., The Genus Dendroctonus, U.S. Dept. Agric., Bur. Ent., Tech. Ser. No 17 



pt. I: 1-164. 



1909 Swaine, J. M., Catalogue of the Described Scolytidae of America North of Mexico; N.Y. 



State Museum Bull. 134; 24th Rept. N.Y. State Entomologist, Appendix B. 



1910 Hagedorn, M., Coloepterorum Catologus; Ipidae. 



1910 Hagedorn, M., Genera Insectorum, Coleopt., Ipidse, Fasc III. 



1910 Nusslin, O., Anatomic und Biologic der Borkenkafergattung Cryphalus; Naturw. Zeitschr 



f . Forst. u. Landrw., 8, 1910, L. 6. 



1911 Nusslin, O., Phylog. und System der Borkenk.; Zeitschr. Wiss. Insect., Bd. 7, No. 1-12; 



1911, Bd. 8, No. 1-7. 



1911 Fuchs, G., Morphol. Studien Borkenk., I, Ips und Pityogenes; 1912, II, Europ. Hylesinen. 



1912 Nusslin, O., Phyl. System. Hylesinen.; Naturwissensch. Zeitschr. Forst. u. Landw., Jahrg. 



10: 267-290. 

 Nusslin, O., Leitfaden der Forst Insectenkunde, 201-293. 



1913 Barbey, A., Traite d'Entomologie Forestiere. 



1913 Reitter, E., Bestimmungs-tabelle der Borkenkafer; Wien. Ent. Zeit., Jahrg. 32. 

 1915 Hopkins, A. D., A Preliminary Classification of the Scolytoidea; U.S. Dept. Agric., 

 Bur. Ent., Tech. Ser., No. 17, Part III. 



1915 Hopkins, A. D., Classification of the Cryphulinae, U.S. Dept. Agric., Office of Secretary, 



Report No. 99. 



1916 Blatchley and Leng, R,hynchophora of N.E. America, pp. 576-669. 



1917 Swaine, J. M., Canadian Bark-beetles, Part I, Descriptions of New Species; Dom. Ent. 



Br., Dep., Agric., Bull. 14. 



