AQUATIC INSECTS IN NSW YORK 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, Cu, with: 
five or six accessory veins. Length to tip of wings 75 to 85 mm;. 
alar expanse 110 to 140 mm. 
Republic of Colombia, Venezuela, Chapaain Brazil, “S. Catha- 
rina, Theresopolis, Fruhstorfer, 1887.” Several specimens in. 
the Museum of Comparative Zoology. 
C. ancilla Hagen, Synopsis Neur. N. Am. p.321 (nomen 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 may 
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.19. A synopsis, cata- 
logue, and bibliography of the Neuropteroid insects of temperate North 
America. Also a reprint of the same. 
Am. Hnt, Soc. Trans. 1897. 24:22. SS. concava, 2D. sp. 
Blanchard. In Gay’s Hist. Chile (q.v.). 
Brauer. Neuroptera Austriaca. 1857. p.52. Also Verh. Zool. Bot. Ges. in» 
Wien. 1856. p.397. 
Verh. Zool. Bot. Ges. in Wien. 1868. 18:361-418. A synopsis of 
the genera of Neuroptera. 
Sitzungsberichteder mathematisch-natur-wissenschaft-lichen classe. 
der k. Akademie der Wissenschaften (Vienna). 1878. Band 67, Abth. 1, 
p.205. Neuromus dichrous n. sp. from Borneo. 
Burmeister, Hermann. Handbuch der Hntomologie. Neuroptera. 1839.. 
2:947-51. ; 
Comstock, J. H. Introduction to the Study of Entomology. 1888. 
p.219-21. 
Manual for the Study of Insects. 1897. p.176-78. 
& Kellogg, V. L. BHlements of Insect Anatomy. ed 1. 1895. ch. 
3, p.28-45. Ed. 3. 1899. p.31-53. 
& Needham, J.G. The Wings of Insects. Am. Nat. 1898. 32:44, 
fig.1, wing of pupa of C. cornuta. Reprint of same 1899. 
Cuvier, G. L. C. F. D. Le Régne Animal, Masson. 1886-49.  pl.105, fig.2. 
Vol. 11 to 14 on insects. 
De Geer, Carl. Mémoires pour servir 4 l’historie des Insectes. Stock- 
holm. 2778. 8:562, pl.27, ig.3. H. pectinicornis. 
Se edition in Boston Athenaeum Library. German edition (1780) in Boston Public 
ibrary. 
Drury, Drew. Illustrations of Natural History. Lond. 17738. Also West- 
wood edition. 18387, 
