222 NEW YORK STATE MUSEUM 



Kionelasma. Kiwv^ a cokunn, and ' 'EXaapM. a plate, in allusion 

 to the prominent pseudocolumella. 



Laccophyllum. Adxxoc^ a well, and cpuXXov^ a leaf, in allusion, 

 to tlie appearance of the central area of the coral in longi- 

 tudinal section. 



Lopholasma. AScpo^:^ a crest, and ' 'Elaaixa^ a plate, in allusion to 

 the carinae of the septa. 



Meniscophyllum. MrjvtrryjK^ a crescent, and (puXlov^ a leaf, in 

 allusion to the form of the pseudocolumella. 



Odontophyllum. "Oddvroq, a tooth, and cpbllov^ a leaf, in allu- 

 sion to the denticulate margins of the septa. 



Placophyllum. llXdq^ anything flat or broad, (pvXXov^ a leaf, in 

 allusion to the broad tabulae. 



Seen op hy Hum. Ixrjvoz^ a tent, and (pvXXov^ a leaf, in allusion 

 to the tent-like appearance of the tabulae. 



Schoenophyllum. J^otvoc, a rush, and (pbXXov^ a leaf, from the 

 appearance of the corallites. 



S t e r e 1 a s m a. 2'rs^eoc, firm, solid, and IXaa^ia^ a plate, in allu- 

 sion to the filling of the central area of the coral with stereo- 

 plasma. 



Sy naptophyllum. EovaTtrdq^ joined together, (pbXXov^ a leaf, in 

 allusion to the lateral processes connecting the corallites. 



Triplophyllum. TplTzX6o<;^ triple, and (pbXXov^ a leaf, in allusion 

 to the three septal f oveae. 



