20 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I37 



20. 1908. A comparative study of the thorax in Orthoptera, Euplexoptera, and 



Coleoptera. Proc. Ent. Soc. Washington, vol. 9, pp. 95-108, 

 pis. 2-5. 



21. 1909. The thoracic tergum in insects. Ent. News, vol. 20, pp. 97-104, pi. 6. 



22. 1909. The thorax of insects and the articulation of the wings. Proc. U. S. 



Nat. Mus., vol. 36, pp. 511-595, pis. 40-69. 

 22- 1910. The anatomy of the honey bee. U. S. Bur. Ent., Techn. ser.. Bull. 18, 



162 pp., 57 figs. 

 24. 1910. The thorax of the Hymenoptera. Proc. U. S. Nat. Mus., vol. 39, 



PP- 37-91, pis. 1-16. 

 2S- 1917. Some of the important insect pests of Indiana. Ninth Ann. Rep. 



State Entomologist of Indiana, pp. 105-225, 60 figs. 



26. 1921. The seventeen-year locust. Ann. Rep. Smithsonian Inst, for 1919, 



pp. 381-409, 5 pis. 



27. 192 1. The mouth parts of the cicada. Proc. Ent. Soc. Washington, vol. 23, 



pp. 1-15, pis. I, 2. 



28. 1922. The resplendent shield-bearer and the ribbed cocoon maker. Ann. 



Rep. Smithsonian Inst, for 1920, pp. 485-510, 3 pis., 15 figs. 

 2<). 1922. Mandible substitutes in the Dolichopodidae. Proc. Ent. Soc. Wash- 

 ington, vol. 24, pp. 148-152, pi. 14. 



50. 1923. The fall webworm. Ann. Rep. Smithsonian Inst, for 1921, pp. 395- 



414, I pi., 12 figs. 



51. 1924. Anatomy and metamorphosis of the apple maggot, Rhagolefis po- 



monclla Walsh. Journ. Agr. Res., vol. 28, pp. 1-36, pis. 1-6. 



52. 1924. The tent caterpillar. Ann. Rep. Smithsonian Inst, for 1922, pp. 329- 



362, I pi., 21 figs. 



35. 1925. Cankerworms. Ann. Rep. Smithsonian Inst, for 1924, pp. 317-334, 



19 figs. 



Si. 1925. Anatomy and physiology of the honey bee. 327 pp., 108 figs. New 

 York. 



S5. 1925. Insect musicians, their music and their instruments. Ann. Rep. Smith- 

 sonian Inst, for 1923, pp. 405-452, 35 figs. 



36. 1926. The morphology of insect sense organs and the sensory nervous 



system. Smithsonian Misc. Coll., vol. yy, No. 8, 80 pp., 32 figs. 

 S7. 1926. Review of "Dytiscus marginalis," first monograph of Bearbeitung 



einheimischer Tiere, by Dr. E. Korschelt. Ent. News, vol. 37, 



pp. 24-29. 

 3S. 1926. From an egg to an insect. Ann. Rep. Smithsonian Inst, for 1925, 



PP- 373-414. 29 figs. 

 S9. 192/'. Morphology and mechanism of the insect thorax. Smithsonian Misc. 



Coll., vol. 80, No. I, 108 pp., 44 figs. 



40. 1927. The head and mouth parts of the cicada. Proc. Ent. Soc. Washing- 



ton, vol. 29, pp. 1-16, pi. I. 



41. 1928. Morphology and evolution of the insect head and its appendages. 



Smithsonian Misc. Coll., vol. 81, No. 3, 158 pp., 57 figs. 



42. 1928. The mind of an insect. Ann. Rep. Smithsonian Inst, for 1927, pp. 



387-416, 6 figs. 

 4S. 1929. The thoracic mechanism of a grasshopper, and its antecedents. 

 Smithsonian Misc. Coll., vol. 82, No. 2, iii pp., 54 figs. 



