20 



9. Thomas: Phytoptus Duj. c. tab. 1869. 

 11 09. Entom. Norvegica. 



1. Sparre Schneider: Ins. Norveg. Hyuienopt. 1880. 



2. Schöyen: Suppl. Ins. Norveg. : Heniipt., Orthopt., 

 Coleopt. 



Lep. bidrag til Norges Fauna 1880. 

 Aciieiontia Atropoo. 

 Dovrefjelds og Gudbrandsdal. Insectf. 

 Bidrag til Siebkes Enum. Insect, I. II. 

 Lepid. i. Norges arktiske region 1880. 



8. ,. Bemerkninger til Siebkes fasc. V,I. 



1880. 



9, Spängberg: Eutiichia pini in Norge 1880. 



10. Wallengren: Bestämma en del af de utaf Ström 

 beskrifna Norska Insekter 1880. 



1170. Enlomol. Americae septentrionalis. 



1. Send der: Adress liefore tlie Appalachian Moun- 

 tain Club 1878. 

 2 — 3. Destruction of the young Loeusts. I. II. 1877. 



4. Riley: The Cotton worm 1880. 



5. Chambers: Tineina and Entomostraca of Colo- 



rado 1877. 



6. „ Tineina from Texas, food-plants of, 



Index 1878. 



7. Gi-ote: Descriptions of Noctuidae 1878. 



8. „ North Amer. Pyralidae 1878. 



9. Riley: Aphididae of the United States 1879. 

 10. Thor eil: Araneae from Colorado 1877. 



1171. Packaid: 3t^ annual leport of ibe injurious and be- 



nefieial insects of Massachusetts 1873. 

 I 172. Bücherverzeichnisse: 



1 — 3. Müller: Contributions to Entomological Li- 

 brarv 1 — 3. 



4. Bibliotbeque Ontyd. 1878. 



5. Scudder: The eutomol. libraries of the United 



States 1880. 

 (J. List of the publications of the Smithsonian Insti- 

 tution 1877. 



7. Entom wrilings vi' Juhn Leconte 1878. 



8. The writings of Soni. Scudder 1879. 



9. Jekel: Coleoptera Jekeliana duplicata. 



