ORDER COLEOPTERA. 56l 



globular, transverse, and formed by the two last articula- 

 tions.* 



ToxicuM, Lat., 



With simple legs ; the knob of the antennae compressed and 

 formed by the last three articulations, with triangular head, 

 and corslet almost square and almost isometrical.-f* 



BoRos, Herbst. Hypophloeus^ Fab. 



Having also simple legs, and the knob of the antennae 

 compressed, and formed by the last three articulations ; but 

 whose body is almost linear, with the head oval, narrowed 

 posteriorly, the corslet ovaliform, truncated at each extre- 

 mity, and the last articulation of the maxillary palpi in a 

 truncated ovoid, a little inflated/J: 



3d. Those whose body is equally narrow and elongated, 

 with the corslet almost square, but whose antennae are of the 

 ordinary thickness, and do not terminate abruptly in a 

 knob. 



The two anterior feet have the thighs thick, and the legs 

 narrow and curved or arched. 



In some the penultimate articulation is perfectly similar 

 both in form and size to the preceding, and this last, as well 

 as all the others, is neither dilated nor channeled above. 



Calcar, Dej. Trogosita, Fab. 



Have the corslet in a long square, the body linear, of the 

 same breadth throughout, with the anterior edge of the head 



* Chiroscelis bifenestra. Lam. Annal. du Mus. et Hist. Nat. No. IG. 

 XXII. 2 ; Tenehrio digitatus. Fab. 



f Toxicum richesiaimm, Lat. Gen. Crust, et Insect. II. p. 168, and I. 

 ix. 9. 



J Boros corticalis, Gyll. Insect. Suec. I. ii. p. 5S4; Hi/j)ophlc£us boros. 

 Fab.; B. thoracicus, Gyll. ibid. p. 586. 

 VOL. XIV. 2 o 



