Dury: Coleoptera of Cincinnati. 151 
DORCATOMA. 
D. setuiosum Lec. 
CAENOCARA, 
CG. oculatay Say: 
PTILINUS. 
P. ruficornis Say. P. thoracicus Rand. 
EUCERATOCERUS. 
E. hornii Lec. 
ENDECATOMUS. 
FE. reticulatus Hbst. E. rugosus Rand. 
SINOXYLON. 
S. basilare Say. S. bidentatum Horn. 
S. sextuberculatum Lec. 
BOSTRYCHUS. 
B. bicornis Web. B. truncaticollis Lec. 
DINODERUS. 
D. punctatus Say. 
PYCTUS. 
L. striatus Jfelsh. L. opaculus Lec. 
TROGOXYLON, 
T. parallelopipedum Walsh. 
I do not know of any complete paper on the PTINIDA. Le 
Conte and Horn have papers on several sub-families and genera in 
Proc. Acad., 1865, and Proc. Amer. Philos. Soc., 1878. 
CUBE SIDA: 
CUPES. 
C. concolor West. 
LYMEXYLID/A. 
HYLECCETUS. 
H. lugubris Say. 
Very rare here, one only. 
GIOIDAL. 
(CiSis 
C. creberrimus Mellie. C. fuscipes Mellie. 
Many unnamed species. 
45 
