June, 1907.] 
American Species of Papirius. 
l6 5 
species of Papirius: Smynthurns guttatus Say, Pg. 25; S. novoe- 
boracensis Fitch, Pg. 25; Papirius marmoratus Packard, Pa. 42; 
P. texensis Packard, Pg. 42. 
1891. Schott, H.—Beitrage zur Kenntnis Kalifornischer 
Collembola in: Bihang Sevensk. Vetensk-Akad. Handl. 17. 
Afd. 4. N8. Pg. 25. 
A paper describing a number of Thysanura from California, 
including Papiurius maculosus Schott. 
1893. MacGillvray, Alex D.—North American Thysanura. 
Fifth paper in The Canadian Entomologist. Vol. 26. A syste¬ 
matic work on the Thysanura of North America. Papirius 
olympius MacGill., Pg. 110; P. purpurescens MacGill., Pg. 109. 
1893. Harvey, F. L.—A new Papiruis in Entomological 
News. Vol. 4. This paper consists of a minute description of 
one species, with a critical review of the literature on Smynthurns 
and Papirius. Papirius unicolor Harvey, Pg. 65; Smynthurns 
novoeboracensis Fitch, Pg. 65; S. marmoratus Packard, Pg. 65. 
1595. DallaTorre, K. W. V.—Die Gattungen und Arten 
der Apterygogenea. This consists of a key to the genera, list 
of the described species of the world and bibliography. He in¬ 
cludes in the genus Papirius the following American species, Pg. 9: 
Papirius guttatus Say; P. maculosus Schott; P. marmoratus 
Packard; P. novoeboracensis Fitch; P. olympius MacGill.; P. pur¬ 
purescens MacGill.; P. texensis Packard; P. unicolor Harvey. 
1903. Guthrie, Joseph E.—The Collembola of Minnesota. 
A descriptive catalogue of the species of the state, including: 
Papirius maculosus Schott, Pg. 58; P. unicolor Harvey, Pg. 59; 
1896. Folsom, J. W.—“New Species of Papiruis,” in Psyche 
Vol. 7. In this paper Folsom describes three new species of 
Papirius all taken at Arlington, Mass., in 1895. Papirius hagenii 
Folsom, Pg. 344; P. pini Folsom, Pg. 344; P. testudineatus Fol¬ 
som, Pg. 345. 
1596. Folsom, J. W.—“Notes on the Types of P. texensis 
Pack, and Description of a new Smynthurus.” In Psyche, Vol. 
7. Redescribes Packard's species: Papirius texensis Packard, 
Pg. 384. 
1S96. Folsom, J. W.—“Two New Species of Papirius,” in 
Canadian Entomologist, Vol. 28, May. The paper describes 
two new species of Papirius taken in a greenhouse at Cambridge, 
Mass.: Papirius vittatus Folsom, Pg. 119; P. opalinus Folsom, 
Pg. 120. 
