COLLEMBOLA OF MINNESOTA -.9 



1894. *North American Thysanura. Can. Ent. Vol. XXVI, pp. 106-xlO. 

 1896. *The American Species of Isotoma. Can. Ent. Vol. XXVIII, pp. 



47-58. 

 Marlatt, C. L. 



1869. The American Springtail. American Naturalist. Vol. XXXI, 

 pp. 163, 164. 



Meade, R. H. 



1881. The Generic Term "Degeeria." Ent. Monthly Mag. Vol. XVIII, 



p. 19. 

 Nicolet, H. 



1841. *Recherches pour servir a 1'histoire des Podurelles. (Mem. de 

 la Soc. Helvetique. VI.) Pp. 1-88, plates 1-9. 



Oudemans, J. Th. 



1SS7. Bijdrag-e tot de Kennis der Thysanura en Collembola. Pp. 104, 

 Plates I-III. 



1896. Systematische Beschrijving der in Nederland voorkomende 

 Thysanura. Tidschr. v. Entom. Nederl. Entom. Vereen. 38 D. 4 Afl. 

 Pp. 164-178, 6 figures. 



Packard, A. S. 



1873. *Synopsis of the Thysanura of Essex County, Mass., with De- 

 scriptions of a few Extralimital Forms. Fifth Annual Report Pea- 

 body Acad. Sci. 23-51. 



1884. Thysanura. Standard Natural History. Vol. II, pp. 135-138. 



1890. Entomology for Beginners. Pp. 54-58. 



1898. A Text-book of Entomology. Pp. 72, 164, 486. 



Poppe, C. A., & Schaffer, C. 



1897. Die Collembola der Umgegend von Bremen. Abh. naturwiss. 

 Ver. Bremen. Bd. XIV. pp. 265-272. 



Reuter, O. M. 



1890. *Collembola in Caldariis viventia enumeravit novasque species 

 descripsit. Meddel. af Societas pro Fauna et Flora Fennica. XVII, 

 pp. 17-28, Tab. I. 



1895. *Finlands Collembola och Thysanura. Acta Societatis pro 

 Fauna et Flora Fennica. XI, No. 4, pp. 1-35, Tab. I, II. 



1898. Collembola pa sno. Meddel. af Societas pro Fauna et Flora 

 Fennica. XXIII, pp. 44-51, fig. 1. 



Ridley, Henry N. 



1880. A new species of Lipura. Ent. Monthly Mag. Vol. XVII, p. 1. 



1880. A New Species of Machilis. Ent. Monthly Mag. Vol. XVII, pp. 

 2, 3. 



1881. A New Species of Degeeria. Ent. Monthly Mag. Vol. XVII, 

 pp. 270-271. 



1881. Notes on Thysanura Collected in the Canaries and Madeira. 

 Ent. Monthly Mag. Vol. XVIII, p. 14-. 



Ryder, John A. 



1879. 'Description of a New Species of Smynthurus. Proc. Acad. 

 Nat. Sci. Philadelphia for 1878. P. 335, 1 figure. 



Say, Thomas. 



1883. The Complete Writings of Thomas Say on the Entomology of 

 North America. Edited by John L. Le Conte, M.D. Vol. II, pp. 7-9. 



Schaffer, Caesar. 



1891. Die Collembola von Siid-Georgien nach Ausbeute der deutschen 

 Station von 1882-83. Jahrb. Hamburg. Wiss. Anstalten. IX, pp. 1- 

 '9, 8 figures. 



1896. *Die Collembola der Umgebung von Hamburg und benach- 



