24 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 134 
PREVIOUS SPECIFIC DESCRIPTIONS 
Plathemis lydia: 
Libellula lydia Drury, Illus. Exotic Ent., vol. 1, p. 112, 1770 (descr., pl. 47, 
fig. 4, no name given) ; vol. 2, index, 1773 (species named).—Ris, Coll. 
Selys Libell., p. 261, 1910. 
Plathemis lydia Kirby, Trans. Zool. Soc. London, vol. 12, p. 288, 1889; 
Syn. Cat., p. 28, 1890.—Williamson, 24th Rep. Geol. Indiana, p. 333, 
1900.—Needham, New York State Mus. Bull. 47, p. 537, 1901 (fig., 
nymph ).—Williamson, Ent. News, vol. 13, p. 113, 1902-Howard, Insect 
Book, pl. 40, figs. 1, 5, 1902—Williamson, Ent. News, vol. 14, p. 220, 
1903.—Comstock, Ent. News, vol. 14, p. 200, 1903.—Brimley, Ent. News, 
vol. 14, p. 156, 1903.—Ris, Ent. News, vol. 14, p. 217, 1903.—Calvert, 
Ent. News, vol. 14, p. 219, 1903; New York State Mus. Bull. 68, p. 278, 
1903.—Osburn, Ent. News, vol. 16, p. 196, 1905.—Calvert, Occ. Pap. 
Boston Soc. Nat. Hist., vol. 7, p. 35, 1905.—Miller, Ent. News, vol. 17, 
p. 361, 1906.—Williamson, Ent. News, vol. 17, p. 351, 1906; Ohio Nat., 
vol. 7, p. 150, 1907.—Muttkowski, Bull. Wisconsin Nat. Hist. Soc., 
vol. 6, p. 119, 1908.—Walker, Ottawa Nat., vol. 22, p. 63, 1908.—Mutt- 
kowski, Bull. Publ. Mus. Milwaukee, vol. 1, p. 142, 1910.—Kennedy, 
Bull. Univ. Kansas, vol. 18, p. 141, 1917.—Howe, Odonata New England, 
Pp. 74, 1920.—Garman, Odonata Connecticut, p. 255, 1927——Needham 
and Heywood, Handb. Dragonflies North America, p. 220, (figs.), 1929. 
—Needham and Westfall, Man. Dragonflies North America, pp. 500- 
502 (figs.), 1955. 
Libellula trimaculata De Geer, Mem. Ins., vol. 3, p. 556, 1773.—Fabricius, 
Ent. Syst., vol. 2, p. 374, 1793.—Burmeister, Handb. Ent., vol. 2, p. 861, 
1839.—Rambur, Ins. Neuropt., p. 52, 1842——Brauer, Verh. Zool.-Bot. 
Ver. Wien, vol. 18, p. 730, 1868. 
Plathemis trimaculata Hagen, Syn. Neuropt. North America, p. 149, 
1861.—Walsh, Proc. Acad. Nat. Sci. Philadelphia, p. 400, 1862—Pack- 
ard, Amer. Nat., vol. 1, p. 310 (fig.), 1867.—Riley, Insect Monthly, vol. 
5, P- 14, 1873.—Hagen, Proc. Boston Soc. Nat. Hist., vol. 16, p. 361, 
1874.—Hagen, Proc. Boston Soc. Nat. Hist., vol. 18, p. 67, 1875.— 
Calvert, Ent. News, vol. 1, p. 23, 1890; Trans. Amer. Ent. Soc., vol. 
20, p. 259, 1893; Journ. New York. Ent. Soc., vol. 3, p. 47, 1805.—God- 
dard, Proc. Amer. Phil. Soc., vol. 35, p. 210 (figs.), 1896.—Calvert, 
Trans. Amer. Ent. Soc., vol. 25, p. 93, 1898.—Elrod, Ent. News, vol. 9, 
p. 9, 1898.—Needham, Outdoor Stud., pp. 57, 85, figs. 56, 66, 1898.— 
Kellicott, Odonota Ohio, p. 102, 1899—Adams, Ent. News, vol. 10, 
p. 622, 1900.—Calvert, Odonata New Jersey, p. 9, 1900; Ent. News, 
vol. 14, p. 35, 1903.—Needham, New York State Mus. Bull. 124, p. 196, 
1908. 
Plathemis subornata: 
Plathemis subornata Hagen, Syn. Neuropt. North America, p. 149, 1861; 
Rep. Colorado, etc., p. 919, 1875; Proc. Boston Soc. Nat. Hist., vol. 18, 
p. 68, 1875.—Kirby, Syn. Cat., p. 28, 1890.—Calvert, Ent. News, vol. 10, 
p. 302, 1899; Biol. Centr.-Amer. Neuropt., pp. 205, 401, 1905, 1907.— 
Williamson, Ent. News, vol. 17, p. 351 (figs.), 1906.—Calvert, Ent. 
