AQUATIC INSECTS IN N^W YOEK STATE 483= 



radius, cells of costal region partly with one white spot, never 

 two, other cells of front pair and in apical region of hind pair 

 with white dots ; cross veins between all branches of radius in 

 front pair, about 30 to 31, media with four branches, Oj withn 

 five or six accessory veins. Length to tip of wings 75 to 85 mm;. 

 alar expanse 110 to 140 mm. 



Republic of Colombia, Venezuela, Chapada, Brazil, " S. Gatha- 

 rina, Theresopolis, Fruhstorfer, 1887;" Several specimens in. 

 the Museum of Comparative Zoology. 



C. ancilla Hagen, Synopsis Neur. N. Am. p.321 {nonien nudum),. 

 must still remain undescribed, as the only known specimen is in 

 the Hagen collection and is too much injured for use. This speci- 

 men is from Paraguay, and it is hoped that other specimens jnay 

 be discovered there. 



Bibliography of the family Sialididae 



American Naturalist. 1867. 1:436-7. Figures of C. cornuta, larva, 

 and adult. 



Banks, Nathan. Am. Ent. Soc. Trans. 1892. p.l9. A synopsis, cata- 

 logue, and Wbliogpaphy of the Neuropteroid insects of temperate North. 

 America. Also a reprint of the same. 



Am. Ent. Soc. Trans. 1897. 24:22. S. con cava, n. sp. 



Blanchard. In Gay's Hist. Chile (q.v.). 



Brauer. Neuroptera Austriaca. 1857. p.52. Also Verh. Zool. Bot. Ge«. in- 

 Wien. 1856. p.397. 



Verh. Zool. Bot. Ges. in Wien. 1868. 18:361-418. A synopsis of 



the genera of Neuroptera. 



Sitzungsberichteider mathematisch-natur- wissenschaf t-lichen clasee 



der k. Akadiemie der Wissenschaf ten (Vienna). 1878. Band 67, Abth. 1, 

 p.205. Neuromus dich r o u s n. sp. from Borneo. 



Burmelster, Hermann. Handbuch der Eotomologie. Neuroptera. 1839.. 



2:947-51. 

 Comstock, J. H. In trodiuction to the Study of Entomology. 1888„ 



p.219-21. 



Manual for the Study of Insects. 1897. p.176-78. 



& Kellogg, V. Ii. Elements of Insect Anatomy, ed 1. 1895. ch.. 



3, p.28-4)5. Ed. 3. 1899. p.31-53. 



& Needham, J. G. The Wings of Insects. Am. Nat. 1898. 32:44,, 



fig.l, wing of pupa of C. cornuta. Keprint of same 1899. 



Cuvier, G. L. C. F. D. Le Rggne Animal, Masson. 1886-49. pl.l05, fig.2. 

 Vol. 11 to 14 on insects. 



De Geer, Carl. M6moires pour servir 3, I'historie des Insectes. Stock- 

 holm. 1773. 3 :562, pl.27, ng.3. H. pectinicornis. 

 French edition in Boston Atlienaeum Library. German edition (1780) In Boston Public- 

 Library. 



Drury, Drew. Illustrations of Natural History. Lond. 1773. Also West- 

 wood edition. 1837. 



