BY DR. R. VON LENDEXFELD. 237 



14. FAMILY. STROMATOPOMD^E. Murie and Nicholson. 

 Possessing undulating laminae in the skeleton. 

 Stromatopora. Goldfuss. 

 Stylodictyon. Murie and Nicholson. 

 Clathrodictyon. Murie and Nicholson. 

 Pachystroma. Murie and Nicholson. 

 Dictyostroma. Murie and Nicholson. 

 Ellipsactinia. Steinmann. 

 Cannopora. Murie and Nicholson. 

 Stromatocerium. Murie and Nicholson. 

 Labechia. Lansdale. 

 Etc. 



15. FAMILY. MILLIPORID.E. Moseley. 

 Alimentary Zooids, with from 4 to 6 tentacles. Polypary with 

 many conic protuberances divided by Tabula?. Coeneuchym with 

 reticulating canals. 



Millepora. Linne. 

 Pliabothrus. Pourtales. 

 Axopora. Edwards. 

 Porosphaera, Steinmann. 

 Cylindrohyphasma. Steinmann. 

 Etc. 



16. FAMILY. STYLASTERIDJE. Gray. 

 Alimentary Zooids with from 4 to 12 tentacles. Massive 

 Hydrosom containing tubes which possess pseudosepta formed by 

 the regular position of the tentacular Zooids. 

 Cryptohelia. E. H. 

 Stylaster. Gray. 

 Allopora. Ehrenberg. 

 Polypora. 

 Eudobelia. E. H. 

 Distichopora. Verill. 

 Lepidopora. Pourtales. 

 Errina. Gray. 

 Pentalophora. Kent. 

 Etc. 



