III.—MONOGRAPHS AND SYNOPSES OF FAMILIES AND GENERA. 
PAUROPODA (families Pawropodide and Hurypauropodide). 
A. 8. PACKARD, Jr.—New or rare Neuroptera, Thysanura, and Myria- 
poda. < Proc. Boston Soc. of Nat. Hist., Vol. XIII, 1870, pp. 405-411 
A. 8. PACKARD, Jr.—A remarkable Myriapod. <Amer. Natur., Vol. 
Ty, 1870; p. 621. 
JOHN A. RyYDER.—Discovery of two remarkable genera of minute 
Myriapoda in Fairmount Park. <Amer. Natur., Vol. XI, 1878, pp. 
557, 558. 
JOHN A. RYDER.—An account of a new genus of minute Pauropod 
Myriapods. <Amer. Natur., Vol. XIII, 1879, pp. 603-612. 
DIPLOPODA (families Polyxenide, Polyzonidee, Polydesmide, Chor- 
deumide, Lysiopetalide, and Julide). 
Horatio C. Woop.—Descriptions of new species of North American 
Polydesmide. <Proc. Ac. Nat. Se. Phil., 1864, pp. 6-10. 
JOHN A. RYDER.—List of the North American species of Myriapods 
belonging to the family of the Lysiopetalide, with a description of 
a blind form from Luray Cave, Virginia. <Proc. U.S. Nat. Mus., 
Vol. IIT, 1881, pp. 524-529. 
A. S. PACKARD, Jr.—A revision of the Lysiopetalide, a family of Chi- 
lognath Myriapoda, with a notice of the genus Cambala. <Proe. 
Amer. Philos. Soc., Vol. X XI, 1883, pp. 177-197. 
CHARLES H. BOLLMAN.—Notes on North American Julide, with de- 
scriptious of new species. <Ann. N. Y. Ac. Se., Vol. IV, Nos. 1 
and 2, pp. 20-44. 
CHILOPODA (families Scutigeride, Geophilide, Scolopendride, and Litho- 
bide). 
LupwieG Kocu.—Die Myriapodengattung Lithobius. Niirnberg, 1862. 
A monograph of the geuus, comprising the species of all continents. 
A, STUXBERG.—Nya nordamerikanska Lithobier. <Ofversigt k. Ve- 
tensk. Acad. Forh., Vol. XX XII, No. 2, 1875, pp. 65-72. 
A. SruxBERG.—Lithobioide Americe borealis. Ofversigt af Nord- 
Amerikas hittills kiinda Lithobiider. <Ofversigt k. Vetensk. Acad. 
Forh., Vol. XXXII, No. 3, 1875, pp. 23-32. 
Fr. MEINERT.—Myriopoda Musei Cantabrigensis, Mass. Part I. Chi- 
lopoda. <Proc. Amer. Philos. Soc., 1885, pp. 161-233. 
Of great value for the study of classification, though containing no synopses, 
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