158 LFHoney-Comb Coral. 
inch in diameter. These (Figs. 54, 55) are not fossil 
honey-comb as many are led to believe, though the resem- 
blance is so striking that no wonder the public generally 
are deceived. These specimens are fossil coral, which the. 
paleontologist places in the genus Favosites; favosus being 
a common species in our State. They are very abundant 
in the lime rock in northern Michigan, and are very prop- 
Fic. 55. 
Honey-Comb Coral, 
erly denominated honey-comb coral. The animals of 
which these were once the skeletons,‘so to speak, are not 
insects at all, though often called so by men of consider- 
able information. 
The species of the genus Favosites first appeared in the 
Upper Silurian rocks, culminated in the Devonian, and dis- 
appeared in the early Carboniferous. No insects appeared 
till the Devonian age, and no Hymenoptera—bees, wasps, 
etc.—till after the Carboniferous. So the old time Favo- 
sites reared its limestone columns and helped to build islands 
