COLEOPTERA. 57 
Le Contr, J. L.—Synopsis of the North American species of Platy- 
nus, Bon. <Bul. Brooklyn Ent. Soc., 1, pp. 48-58, 1879. 
Haywarp, R.—Studies in Amara. <Trans. Amer. Ent. Scc., xxxiv, 
pp. 13-65, 1908. 
Rorscuke, H.—Monographie der Carabiden Tribus Cychrini. 
<Ann. Mus. Nat. Hung., v, pp. 9-277, 1907. 
Roussgravu, E.—Fam. Carabide, subfam. Omophronine. <Gen. Ins., 
Mase: 83, pp. 9, pl. 1, 1909. 
Farx, H. C.—On the affinities of the genus Tachycellus, with descrip- 
tions of new species from the Western United States. <Journ. 
=) N.Y. Ent. Soc., 1905, pp. 169-178. 
Tables of Tachycellus and Glycerius. 
— A review of the North American species of Notiophilus. 
< Psyche, 1906, pp. 79-92. 
Of most of our genera of this extensive family we have monographs 
or synopses by Le Conte, Horn, or Crotch, and the tables for the de- 
termination of the species are reproduced and augmented by some 
original tables in the Bulletin of the Brooklyn Entomological Society, 
from Volume I to Volume VI. 
HALIPLIDE. 
Crotcu, G. R.—Revision of the Dytiscide of the United States. 
<Haliplides, Trans. Amer. Ent. Soc., 1v, pp. 383-385, 1872-1873. 
DYTISCID®. 
Crorcu, G. R.—| See work just cited; Dytiscidee, pp. 385-424. | 
SHarp, D.—On. aquatic. carnivorous Coleoptera or Dytiscide. 
<Trans. Royal Dublin Soc., m, pp. 179-1003, plates, 1882. 
A monograph of the Dytiscidz of the whole world. 
Roserts, C. H.—The distinctive characters of the eastern species of 
the genera Dytiscus and Cybister. <Journ. N. Y. Ent. Soc., 
1905, pp. 103-107. 
Scu#rrer, Cuas.—On North American and some Cuban Copelatus. 
<Journ. N. Y. Ent. Soc., 1908, pp. 16-18. 
GYRINID®. 
Le Contr, J. L.—The Gyrinide of America, north of Mexico. 
<Proc. Acad. Nat. Sci. Phila., 1868, pp. 365-373. 
RecrmBart, M.—Essai monographique de la famille des Gyrinides. 
<Ann. Soc. Ent. France, 1882-1883, pls. 8. 
Treats of the Gyrinids of the whole globe. 
