166 



11. Insects as architects, p. 295-320, fig. 230-250, pi. 

 Description of pits, holes, galls and dwellings made or inhabited by in- 

 sects. 



12. The social life of insects, p. 321-352, fig. 251-259. 

 Organization and work of colonies of tei'mites, ants, wasps and bees. 



13. Mental powers of insects, p. 353-384, fig. 260. 

 Activity, senses, nervous organization, volition, reason, temper, timidity, 



faculties, memory, power of communication, educability, solicitude and 

 loyalty of insects. 



[We are requested by the author to publish the following coi'rections of errors de- 

 tected in this work. Page 187, in explanation of fig. 187, ybr Bucculating recid Buccu- 

 latrix; p. 289, line 23, /or Disippus read Archippua, and in line 2^, for Archippus read 

 Disippus; p. 305. line 13, ybr sumac read cotton wood; p. 306, in explanation of fig. 

 236, ybr sumac gall read vagabond gall.] 



* 995. Allen Whitman. Report [of the Geological and 

 Natural History Survey] on the Rocky Mountain locust. For 

 1876. St. Paul, Pioneer Press Co., 1877. 43 p. 23 X 15. 

 t 18 X 10. map 50 X 43. 



Etymology of the word "locust" ; frequency of locust invasions; liability 

 of Minnesota to invasions ; history of past invasions ; naturalization and 

 deo'eneration of the locusts in Minnesota ; source, destination and dii-ection 

 of flight of the locusts ; area in which eggs have been deposited (map); 

 time of depositing eggs ; parasites and enemies ; ravages of the locusts ; 

 practical methods of contending with the locusts young and old. 



* 996. Herman Strecker. Butterflies and moths of North 

 America, with full instructions for collecting, breeding, prepar- 

 ing, classifying, packing for shipment, etc., a complete synonym- 

 ical catalogue of Macrolepidoptera, with a full bibliography, to 

 which is' added a glossary of terms and an alphabetical and 

 descriptive list of localities. — Diurnes. — Reading, Pa., 1878. 

 [4] -j_ 2 -f 283 p. 1 19-5 X 11-9. 2 pi. t 23-5 X 14-6. 24-5 

 X16. 



a. Title, copyright, dedication, verses, h. Contents, p. 1-2. c. Preface 

 [request for correspondents and for specimens of Lepidoptera and Coleo- 

 ptera], p. 1-6. d. Captuinng day butterflies (Rhopaloceres) [implements 

 and their use, time of day, localities, clothing, food], p. 7-10. e. Captur- 

 ing night butterflies or moths (Heteroceres) [localities, baits, rules], p. 

 11-12. f. Preparing for the collection [spreading the wings], p. 12-14. g. 

 Cabinets, &c., for containing Lepidoptera [size and construction of drawers 

 or boxes], p. 14-15. Ti. Forceps [indispensable], p. 15. i. Pins [sizes], p. 

 16. j. Arranging in the cabinet [topography], p. 16-17. k. Labeling 

 [description and order of labels], p. 17-10, I. Cleaning [from grease], p. 

 19-20. m. Relaxing and expanding, p. 20-21. n. Repairing, p. 21. o. 



