60 



THYSANUEA. 



A. S. Packard, Jr. — Synopsis of the Thysanura of Essex County, 

 Mass., with descriptions of a few extralimital forms. <Fifth An- 

 nual Eeport of the Trustees of the Peabody Academy of Science 

 for the year 1872, Salem, 1873, pp. 23-51. 



John Lubbock. — Monograph of the Gollembola and Thysanura. Lon- 

 don, Eay Society, 1873. 



The introduction gives the full bibliography up to date. 



Andeew Mtjeeay. — Economic Entomology. Aptera. South Kensing- 

 ton Museum Science Handbooks, London and New York, 1877. 

 The Thysanura are treated of on pp. 401-416. 



