192 A. E. Verrill—A ffinities of Paleozoic 
with the Milleporide, and at best only a distant one with the 
Pocilliporide, although Edwards and Haime placed it in the 
same family with the latter. 
In the Report on the Zodphytes of the U. S. Exploring Ex- 
pein 1846, p. 509, Professor Dana instituted the family, 
avositide, in which he included three sub-families: st, 
ment is incorrect in several oints, it is, nevertheless, much 
nearer correct than the classifications of Edwards and Haime, 
oped and imperforate, completely closing the cells at interva 
of about ‘05 to 20 of an inch, varying even more than this 10 
of plates is found in the Silurian genus, Dania, which is said, 
however, to have dmipanfonste walls, ee 
e walls in the tabulated genus, Koninckia, 
Whether all the species of Alveopora have complete transversé 
Septa is 
looked_by the describers. Edwards and Haime make no allu- 
Sion whatever to such septa in their descriptions of the genus 
and its species. In all the species which I have examined, how- 
