644 BOSTON JOURNAL 



A larger species than the capitata Fabr., and very distinct, 

 though the inequalities of the head and thorax are somewhat 

 similar. It is common about old frame houses. I have received 

 a specimen from Mr. Barabino. 



[C. concohv Westwood, Zool. Journ. 5, 440, and (J. trilincata 

 Mels., do not appear to differ from this species. — Leg.] 



SILPHA. 



8. CAUDATA S., Jour. Acad. Nat. Sci. 1823. 

 S. TUBERCULATA Germar, Sp. Novse, 1824. 



IPS Fabr. 



1. I. OBTUSA. — Black ; elytra each with two nearly orbicular 

 rufous spots. 



/. -{-ttotutn ? Melsh. Catal. 



Body oval, convex : antennas piceous : head and thorax [169] 

 with small, regular, subequidistant punctures : elytra punctured, 

 regularly rounded at tip, and rounded at the sutural angle : 

 slightly elevated transversely on the posterior margin ; each ely- 

 tron with two rufous, rounded spots, of which one is at the mid- 

 dle of the base, and the other beyond the middle of the elytron ; 

 beneath piceous black. 



Length from three-tenths to seven-twentieths of an inch. 



The largest species I have seen ; the name -i-noiata is preoccu- 

 pied. 



2. I. 4-siG\ATA. — Black ; elytra each with two yellowish spots, 

 of which the basal one is sublunate. 



/. 4:-!ii<jnata Melsh. Catal. 



Body oval, deep black : antennae piceous : head and thorax 

 with small, regular, subequidistant punctures : elytra punctured, 

 very obtusely rounded at tip, almost truncate ; each elytron with 

 two yellowish spots, slightly tinged with rufous; the ba.sal one 

 arcuated so as to enclose the humerus ; posterior one behind the 

 middle transversely oval, not sinuated ; terminal lateral margin 

 (Obscurely piceous : beneath piceous-blackish. 



Length slightly more than one-fifth of an inch. 



Very similar to the Nitidula fasciata Oliv., but it may be dis- 

 tinguished by its uniformly small spots. The Engis confiuenta 



[Vol. L 



