Schwarz.] 438 
Tachys albipes Lec. C. 8. E. T. rare. 
ventricosus Lec. common. 
levis Say, common. 
pallidus Chd. H. T. very rare. 
columbiensis} Zimm. ms. common. 
nanus Gyll. common. 
flavicauda Say, common. 
zenescens Motsch. E. very rare. 
xanthopus Dej. common. 
incurvus Say, common. 
granarius Dej. C. very rare. 
carolinus} Zimm. ms. common. 
n. sp. E. very rare. 
HALIPLID &. 
Haliplus punctatus Aubé, L. K. not rare. 
Cnemidotus 12-punctatus Say, not rare. 
DYTISCIDZ. 
Celina angustata Aubé, C. E. very rare. 
grossula Lec. EH. very rare. 
Hydroporus exiguus Aubé, L. E. T. rare. 
granum Lec. T. rare. 
seminulum Lec. n. sp., p. 377, E. two specimens. 
granarius Aubé,* Northern Florida. 
affinis Say, var.? H. E. very rare. 
fuscatus Cr. common. 
inconspicuus Lec. not rare. 
undulatus Say, common. 
Hydrocanthus iricolor Say, L. T. not rare. 
Suphis bicolor Say, L. T. not rare. 
puncticollis Cr. E. two specimens. 
n. sp. E. one specimen. 
Colpius inflatus Lec. T. rare. 
Cybister Olivieri Cr. NS. T. K. very rare. 
Laccophilus proximus Say, common. 
Thermonectes basilaris Harr. C. A. T. not rare. 
Hydaticus bimarginatus Say, C. T. very rare. 
Coptotomus interrogatus Fab. common. 
Matus bicarinatus Say.* 
Copelatus glyphicus Say, common. 
Chevrolatii Aubé, C. T. rare. 
GYRINIDZ. 
Dineutes carolinus Lec. C. §. not rare. 
serrulatus Lec. S. E. A 
angustus Lec.* n. sp. p 378. 
[Feb. 1, 
