284 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 



are exempt from their burrows, having them either at the lower part or 

 else at the large fork or top. I have seen enormous trees in full leaf 

 and blossom, in a still day, suddenly break off midway of trunk, fall to 

 the earth with a crash, startling and mysterious enough to any hearer 

 in such a day of reigning quiet. Where the fracture most often occurs 

 no decay of the heart is present, but it is completely filled with the 

 burrows of the OsmodermaJ^ 



Alaus oculatus (Linn.) 



Stenoscelis brevis (Boh.) (Chittenden in letter.) 



Phloeophagus minor (Horn.) (Chittenden in letter.) 



