42 H. FRIESE 



2 — 4 lateribus macula triangulari griseo-sericea, segmente 5 saepe etiam 

 4 toto griseo-sericeo, 5 apice sextoque nigro-setosis. — Long. 28 — 30 mm, 



2 Ç von Baliia (Brasilia) im Mus. Berlin. 



13. Centris mocsári/ i n. sp. 



Nigra, fulvo-hirta, capite thoracisque disco nigro-hirtis, ( Ç macula 

 quadrangulari nigra), clypeo interocularique flavo-maculatis aut nigris, 

 antennis nigris ; abdomine fere nudo, apice fusco setoso ; pedibus nigris, 

 nigro-hirtis, scopa fulva. — Long. il2 — 23 mm. 



cf — differt: labro, clypeique margine flavo, jjedibus posticis incras- 

 satis plus minusve fusco-pilosis. — Long. 21 — 22 mm. 



3 c? Ç Ton Minas Geraës, SaÔ Paulo nnà \^enezuela,Mus.B\ida,ipe8t 

 cf J von Minas Geraës ; Mus. Wien 2 ç von Peru, 1 5> von Brasilia ; 

 Mus. Berlin 6 j von Para, und Mexico ; Mus. Paris 1 J von Minas 

 Geraës. 



14. Centris scopipcs n. sp. 



(f . — Nigra, nigro-hirta, ut collari^^ ; sed clypeo labroque flavis, 

 mesonoto scutelloque opacis, dense ruguloso-punctatis, abdominis segmento 

 1 basi flavo-hirsuto. — Long. 25 mm. 



1 cf von Brasilien (Schulthess). 



15. Centris rußpcs n. sp. 



J. — Nigra, nigro-hirta, ut ruh et la : sed abdomine nigro, apice 

 externo rufo, clypeo apice transversim ruguloso, disco fere glabro, thoracis 

 marginibus flavescente-hirsutis. — Long. 19 mm., lat. 7 mm. 

 1 ç von Minas Geraës (Fruhstorfer). 



16. Centris insignis Sm. va.r. scutellaris n. var. 



cf. — JJt insignis ; sed scutello flavo-piloso, pedibus posticis rufis, 

 nigro-hirtis. — Long. 23 mm. 



1 (f von Muzo im Mus. Berlin. 



17. Centris bucephala n. sp. 



Nigra, nigro-hirta, capite buccato, mesonoto scutelloque opacis, dense 

 ruguloso-punctatis, d" clypeo labroque maxima parte flavis, interoculari 

 antennarumque scapo nigris, abdominis segmentis 1 — 3 basi late flavo- 

 tomentosis. — Long. 26 — 29 mm., lat. 11 — 12 mm. 



