120 GEO. n. HORN, M. D. 



Color piceoas, elytra with slightly paler humeri, legs pale yellowish testaceous. 



flavipes. 

 Rufo-piceous, thorax and elytra rufous. Legs rufous ruA^scens. 



B. flavipCN, Lee. — Pieeous, elongate, shining, legs yellowish testaceous. 

 Heail and tjjorax smooth and shining. Thorax with the marginal punctures of 

 Mycetoforus, the apical more distant from the margin. Elytra slightly longer 

 than wide, pieeous, humeral prominence somewhat paler, disc with about seven 

 rows of moderately impressed punctures bearing very short hairs. Abdomen 

 pieeous, apices of segments paler, sparsely punctured each puncture bearing 

 a hair. Body beneath pieeous, abdomen punctured as above. Anterior and 

 middle coxae and legs testaceous. Length .16 — .18 inch; 4 — 4.5 mm. 



Occurs in Louisiana. 



B. rnfescens, Lee. — Head pieeous, smooth, shining. Thorax rufons, 

 smooth, shining, punctured as the preceding. Elytra rufous. Abdomen piee- 

 ous, apices of segments rufous. Body beneath pieeous, abdomen rufo-piceous. 

 Legs, anterior and middle coxse rufo-testaceous. Length .14 — .18 inch; 3.5 — 

 4.5 mm. 



I am entirely unable to separate the types of rufescenn and ruhidus ; 

 testaceus is rather smaller and in some specimens the elytral punctures 

 are almost entirely obliterated, but this is a gradual variation from the 

 punctured forms and not a constant character. 



Occurs from Michigan to Florida, and from Pennsylvania to 

 California. 



The investigation of the two species of Bryoporus by means of a 

 still larger series may produce a still further suppression, as I am by 

 no means satisfied that the feeble characters separating them are of 

 that value which should cause them to be retained as distinct. 



The sexual characters are extremely feeble and are as in Mi/ceto- 

 ponis. 



MYCETOPORIIS Mann. 

 The species of this genus have certain characters in common. The 

 elytra are smooth and shining and with three rows of punctures, 

 usually very distinct sometimes very feeble, placed, one in the sutural 

 channel the second from the humerus to the tip, the other along the 

 lateral margin, the punctures bear fine setae. The thorax has around 

 its circumference certain constant punctures, four are placed along the 

 apical margin, two basal, three along the lateral margin and two, one 

 behind the other, between the middle and lateral margin. Two species 

 have in addition two discal punctures which are constantly present and 

 wanting in all the other species. The tips of the middle and hind 

 tibiae in two species are fimbriate with short, equal, closely placed 

 spinules, while the other species have the spinules coarser and very 



