248 . V. FAMILI^E Erismatolithorum. 



c. JWilleporita, fulcimento ( lapideo : ) cellulis po- 



riformibus. 



d. Cclleporita, fulcimento (sublapideo :) cellulis 



urceolatis. 



B. Corallinarum. 



e. Sertularitte, fulcimento saepius articulate, (cor- 



neo,) arbusculari, tubulato, receptaculis ordi- 

 natis, sa?pe lateralibus, caljciformibus s. den- 

 tiformibus. 



f. Tubular it<e, fulcimento spius articulato, (cor- 



neo,) tubuloso : tubis continuis s. ramosis, 

 saspe articulatis, osculis terminalibus. 



g. Flustrita, fulcimento sepius continue,, foliaceo, 



ex seriebus coadunatis cellularum ringentium 



composite. 

 Ii. Corallinitie, fulcimento articulate^ saepe dicho- 



tomo^ (filamentosOj) superficie (calcarea,) 



porosa. 



ff . FulQimentorum internorum. 

 i. Isiditte, fulcimento (lapideo^) arbusculari^ inter- 



nodiis articulate : articulis long'itudinaliter 



striatis. 

 k. GorgonitG, fulcimento (lig'noso, corneo vel tes- 



taceo) arbusculari, continue. 



An ex ca?teris zoophytorum generibus, nempe ex ALCYONIO, 

 HYDRA et SPONGIA, Erismatolithus unquam oriri posset, mul- 

 tum dubito. HYDR^E non nisi partes innates prebent, et ALCY- 

 ONIA simul cum ossiculo interno sive fulcimento (e. g. Alcy. ar- 

 boreura et Alcy. exos Linn, quae petrifacta occurrunt) natara ad 



