572 SUPPLEMENT. 
A. ovatus in having the thorax more closely punctured, with the lateral margins less 
reflexed and not depressed within. It seems incredible that Thomson could have 
described his insect without noticing the form of the antenne. 
CENTRIOPTERA (pp. 74, 508). 
3. Centrioptera infausta. 
Asbolus (?) infaustus, Lec. Proc. Acad. Phil. vii. p. 84°. 
Oochila infausta, Lec. List Col. N. Am. p. 59 (1863) ’. 
Centrioptera infausta, Horn, Rev. Ten. of Am. north of Mexico, p. 280°. 
-Centrioptera spiculosa, huj. op. p. 508. 
To the localities given, add:—Nortu America, Texas? ®, 
The above synonymy is given on Dr. Horn’s authority. 
