INSECTA MADERENSIA. 485 



S. orbiculate-ovate (or, when the head is applied to the chest, completely orbicular), exceedingly 

 convex, deep shining black, entirely free from pubescence, and almost impuuetate (though, under 

 a high magnifying power, appearing most delicately shagreened, and with very shallow, minute 

 and distant punctures intermixed on the elytra, — though scarcely upon the prothorax) . Head 

 and prothorax rufo-testaceous ; the former large and somewhat the paler of the two, with the eyes 

 black. AntentKB and legs diluted testaceous. 



Exceedingly rare ; the only two specimens whicli I have seen having been taken 

 by myself in the remote region of the Lombo clos Pecegueiros, towards the western 

 edge of the Ribeu-a do Inferno, on the 23rd. of July 1850. 



370. Stagonomorpha unicolor, TT'oU. 

 S, orbiculato-ovata nigra glaberrima et fere impunctata, antennis pedibusque diluto-testaceis. 

 Long. Corp. lin. vix ^. 



Habitat in iisdem locis ac prsecedens (cujus forsan varietas est), semel tantum reperta. 



S. in every respect similar to the last, only (instead of the head and prothorax being pale) the entire 

 insect (except the antenna and legs, and the extreme edges of the prothorax, which are diluted 

 testaceous) is of a deep black. 



Also of the greatest rarity ; and in fact hitherto unique. Like the last, it was 

 captured at the Lombo dos Pecegueiros, — where I brushed it from out of the 

 thick vegetation, beneath the trees, towards the dusk of the evening, near to the 

 particular spot known as the Chao das Castanheiras (where my tent was pitched). 

 It is possible that it may be merely a dark variety of the /S. sphcerula ; neverthe- 

 less, having no intermediate links of colouring, and since my single specimen is a 

 trifle smaller than that species, and with the antenna? perhaps scarcely so long, I 

 have not ventured to amalgamate them. 



Fam. 45. DIAPERID^. 



Genus 162. ELLIPSODES, Wall. (Tab. XI. fig. 2.) 



Corpus parvum, ellipticum, glaberrimum, politissimum, convexum : prothorace transverso, postice 

 elytrorum latitudiue et illis arete applicato; prostemo postice in lobum deplanatum robustum 

 inter pedes anticos producto : metasterno postice anguste bifido : elytris subconnatis, apice acnmi- 

 natis : abdomine e segmentis ventralibus quinque composito : alls obsoletis. Antenna (XI. 2 a) 

 capite prothoraceque paulo lougiores, sub frontis margiue laterali ante oculos oblongos insertfe, 

 apicem versus (prsesertim in maribus) leviter incrassatfe, articuhs longitudine subsequalibus, 

 ultimo ovato apice oblique truncato. Lahrum (XL 2 b) subcoriaceum transversum, antice vix 

 integrum ciliatum. Mandibulce (XL 2 c et 2d) validae corneae, infra apicem dcnte obtuso 

 instructse, unS, in medio sinuata et membrana auct^, alterS. angustiore intus curvata. Maxilla 

 (XL 2 e) bilobae, lobis submembranaceis pubescentibus ; externa majore obtuso; interna incurvo 



