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'B. Palpi maxillares filiformes, articulo ultimo longiore. Brathinus Lec. 
I. Cephennium Müller (Megaloderus Steph. — Tyttosoma Wesmael.) 
1. C. corporosum, piceum flavo-pubescens, thorace angulis postieis 
subexplanatis; elytris vix punctulatis, basi foveatis, strioläque externä notatis; 
pedibus antennisque testaceis, his articulis tribus ultimis majoribus. Long. 
0,035. — New-York, unter Steinen im April, selten. 
II. Scydmaenus Latreille. 
Mit Zugrundelegung der Eintheilung nach Schaum, und mit nur ge- 
ringen Aenderungen: 
A. Palpi maxillares articulo quarto subulato. 
I. Collum thoraci immersum, thorax cordatus, antennae sensim in- 
erassalae, mesosternum parum carinatum. Spec. 1—6. 
UL.. Collum thoraci non immersum, thorax subquadratus, antennae extus 
subito vel subsubito incrassatae. 
a) Antennae articulis quatuor incrassalis. 
a) Thorax trapezoideus, cum elytris angulum non formans 
Sp. 7—14. 
ß) Thorax antrorsum subangustatus, cum elytris angulum for- 
mans. E Sp. 15—20, 
b) Antennae articulis tribus incrassatis. Sp. 21—25. 
c) Antennae foeminae gradatim incrassatae, maris irregulares, 
Sp. 26. 
B, Palpi maxillares articulo quarto obtuso, conico, indistinctoe. Sp. 27. 
1.8, subpunctatus; piceus, parce pubescens, vertice bifoveato; 
thorace ante basin transversim impresso, lateribus foveato; coleopteris rufo- 
piceis, oblongo-ovalibus, parce punctulatis; pedibus rufo-piceis. Long. 0,065. 
_ Lake Superior und St. Mary’s River. 
2. S. Mariae; rufo-piceus, parce pubescens, vertice bifoveato;, Ihorace 
campanulato ante basin obsolete impresso, lateribus foveate ; coleopteris ova- 
libus, obsolete parce punctulatis. Long. 0,065. — St. Mary River in Michigan. 
8.8. eribrarius; rufus, nitidus, flavo-pilosus, thorace basi subtiliter 
4-punctato, elytris elongato-ovalibus, grosse punctatis. Long. 0,04. — Graf- 
schaft Habersham in Georgien. 
#8. sparsus; rufo-piceus, pilosus, thorace postice angustato, basi 
4-punctato et transversim subimpresso ; coleopteris elongato-ovatis, parce 
punctatis; basi utringue bifoveatis. Long. 0,04. St. Jose in Californien. 
5. S. perforatus; nigro-piceus, pilosus; Ihorace basi 4-punclato et 
transversim impresso;, coleopteris elongato-ovatis, minus dense variolosis, an- 
