AUTHORITIES. XT 



Schioedte, J. C. Arthropoden Groenlands, in Rink, geographischer, 



etc., Beschreibung Groenlands and in Berlin Entom. Zeitschr., 



1859, t. Ill, p. 134. Contains four species (one Ephem., one Hem- 



erob., two Phrygan.). 

 Schneider, W. G. Symbols ad Monographiam generis Chrysopae 



Leach. Vratislavise, 1851, 8vo., with. plat, color. Contains seven 



species, well described and figured. 

 De Selys Longchamps, E. Revue des Odonates on Libellules 



d'Europe avec la collaboration de H. Hagen. Paris, 1850, 8vo. 



(Memoir. Soc. R. Science de Liege, vol. vi). Two species, Lib. 



hudsonica, p. 53, and Agrion Doubledayi, p. 209, are described in 



this work. 



Synopsis des Calopterygines. Bullet. Acad. Bruxelles, 1853, t. xx. 



Monographie des Calopterygines avec collab. H. Hagen. Paris, 



1854, 8vo. (Mem. Soc. R. Science de Liege, vol. ?). Fourteen spe- 

 cies from N. America are described in this work. 



Synopsis des Gomphines. Bullet. Acad. Bruxell. 1854, t. xxi. 



Monographie des Gomphines, avec collab. H. Hagen. Paris, 1857, 



8vo. (Mem. Soc. R. Science de Liege, vol. ?). Thirty-four species 

 from N. America are described in this work. 



Additions au Synopsis des Calopterygines. Bullet. Acad. Bruxell. 



ser. 2, 1859, T. VII, No. 7. 



Additions au Synopsis des Gomphines. Bullet. Acad. Bruxell., 



ser. 2, 1859, T. VII, No. 8. 



Neuropteres de 1'isle de Cuba, de la Sagra Hist. Cuba, 1857, fol., T. 



VII, p. 183201, or in Poey, Ins. Cuba, 8vo., p. 435473. Con- 

 tains thirty -nine species from the West Indies, chiefly Odonata ; 

 several of them are new to science. 



Sloane, H. A voyage to the islands Madeira, Barbadoes, Nieves, St. 

 Christopher's, and Jamaica, with the natural history, etc. of insects. 

 London, 1707 1725,' fol., 2 vols. Ten species of Libellula from 

 Jamaica have been described in this work: 1. Libellula rufa major 

 (an L. abdominalis?) ; 2. L. rufa minor (an L. simplex?); 3. L. 

 maxima ccerulea aut viridis (an Aeschna ingens?) ; 4. L. purpurea 

 (Lib. discolor); 5. L. coerulea minor (Agrion spec.). 



Stephens, J. F 1 . Illustrations of British Entomology. London, 8vo., 

 1835. Mandibulata, vol. VI. Some species of European Neurop- 

 tera mentioned in this work have been found in N. America. 



Swedems, IV. S. Two species of Panorpa have been described by this 

 author, Vetensk. Acad. nya Handl. Stockholm, 1787, T. VIII. 



littler, P. R. Contributions to the Neuropterology of the United States. 

 Proceed. Acad. of Nat. Sc. Philad., 1857, March, p. 87. Seven spe- 

 cies of Odonata are described. 



Walker, F. Catalogue of the Specimens of Neuropterous Insects in 

 the Collection of the British Museum. London, 8vo., Part I, 1852 

 (Phryganides, Perlides), p. 1192; Part II, 1853 (Sialidse Ne- 



