254 CRYPTOCEPHALINARUM BOREALI-AMERICAE DIAGNOSES. 



Head rufous, orbits obsoletely flavous ; front sparsely punctulate : pronotum rufous 

 somewhat polished, impunctate : lateral margins and extreme apex sometimes flavousj 

 extreme base black, this color sometimes extending along the sides : scutel black, disc 

 sometimes flavous : elytra with the first, second, (sutural) fourth, and sixth interstices 

 and extreme margin hlach ; third, fifth, seventh, and eighth flavous: pygidium 

 punctate : beneath entirely black, or varied with rufous ; feet black, femora sometimes 

 rufous. Southern and Western. 



The punctures of the submarginal stria are discolored, which probably led Mr- 

 Newman to state the pale vittae to be four. % with an acute spine between the 

 anterior coxae, and a transverse impression on the ultimate segment of the venter. 

 2 with the prosternum truncate behind, ultimate ventral segment foveolate. 



24. C. LiTURATUs F. 2,50. — recurvus Say. J. Acad. 3,439 ;6. — castus 

 Mels. Pr. Acad. 3,171 :4. — lativittus Germ. Sp. nov. 53S? — 4:-Uneatus\. 

 Dej. Cat, 448". Niger; pronoto laevi, aurantiaco, macula magna discoidali apicem 

 non attingente, alteraque parva utrinque submarginali nigerrimis : elytris punctato- 

 striatis, nigris, (margine tenuissimo ;) vittis 2 aurantiacis postice connexis ; pygidio 

 punctato. Long. 1| lin. 



a. Thorace medio nigricante ; elytris nigris, flavo-marginatis. 



P. Elytris nigris, macula aurantiaca arcuata apicali : C. castus Mels. 



y. Vitta unica submarginali, apice recurvo : typus Sajanus. 



The entire or partial absence of the elytral vittae cause this species to vary 

 considerably. The male has an acute spine between the anterior coxae, and a 

 transverse impression on the last segment of the venter. 9 ? Middle, Southern, and 

 Western States. 



D. 



25. C. suLFURiPENNis Mels. Pr. Acad. 3,173 :13, Atro-brunneus ; capite 

 punctato, flavo, front e in medio nigro : thorace sparse punctato, margine laterali, 

 maculisque 2 basalibus flavis : elytris profunde punctato-striatis ; guttis nonnullis 

 oblongis brunneis, fasciis 3-bus ordinatis : antennis, abdominis margine, pedibusque 

 \aete rufis : pygidio punctis impressis confluentibus. Long. 2 lin. 



5 Prosternum sub-emarginate, lobes very obtuse, impressed between the coxae, 

 with a slight elevation in the centre ; ultimate ventral segment with a deep round 

 fovea. Pensylvania. 



26. C. LTJTEiPENNis Mels. Pr. Acad. 3,172 :10. Niger, nitidus, capite 

 albomaculato ; pronoto punctis paucis sparsis ; lateribus, maculisque 2 obliquis 

 basalibus albis : scutello nigro, laevigato ; elytris profunde seriatim punctatis, 

 aurantiacis, sutura margine tenuissimo punctoque huraerali nigris : pygidio punctato, 

 raaculis 2 albidis. Long. 2 lin. 



