ADDITIONS TO LIBRARY. VII 



Bulletin No. 10 University of Minnesota Agricultural Experiment 

 Station. From the Station. 



Notes on the Comparative Vitality of Insects in Cold Water, 

 Schwarz. From the Author. 



Myrmecophilous Coleoptera found in temperate North America, 

 8chwarz. From the Author. 



Psyche, vol. v, No. 169. From the Editor. 



Entomologist's Monthly Magazine, May, 1890. From the Con- 

 ductors. 



Canadian Entomologist, May, 1890. From the Editor. 



British Bee Journal, Nos. 409 and 410. From the Editor. 



Wiener Entomologische Zeitung for 1887. From the Editor. 



Transactions Entomological Society of London for 1888 and 1889. 

 From the Society. 



Bulletin No. 1 Col. Biological Association. From the Association. 



Entomologische Nachrichten, vol. xvi. No. 9. Purchased. 



June 9, 1890. 



Mittheilungen vol. viii, part 4, January, 1890. From the Society. 



Compte-Rendu, April, 1890. From the Society. 



Revue Scientifique du Bourbonnais, May, '90. From the Author. 



Bibliographical Catalogue of the described Transformations of 

 North American Lepidoptera, Hy. Edwards. From the U. S. 

 National Museum. 



Insect Life, vol. ii. No. 10. From the U. S. Department of Ag- 

 riculture. 



Catalogue of the Described Aranese of temperate North America, 

 by Dr. George Marx. From U. S. National Museum. 



British Bee Journal, Nos. 411 and 412. From the Editor. 



Entomological News, vol. No. 6. From the Committee. 



The Young Naturalist, May, 1890. From the Editor. 



Biologia Centrali-Americana. Coleoptera, vol. ii, part 1, 313-8:J6 ; 

 vol. vii, 129-144; vol. viii, tab. 7. Arachnida-Acaridaj, pp. 17-24, 

 tab. 12, 13, 14. Diptera, vol. ii, 89-112. Rhynchota, pp. 329-36. 

 Heterocera, vol. i, 385-92. Hymenoptera, vol. ii, 65-80, tab. 5. 

 By purchase. 



Biologia Centrali-Americana. Diptera, vol. ii, pp. 113-144, tab. 

 3. Rhynchota, 337-44, tab. 31. Heterocera, vol. i, 393-416, tab. 

 33. Hymenoptera, vol. ii, 81-88. Coleoptera, vol. vi, part 1, Suppl. 

 177-184. Arachnida-Araneidea, tab. 7. By purchase. 



