- 2^7 — 



plicati, bine solitarii, dtscreli, intei- se oonnati (polystomi^ 

 V. ope limhi confluentes. E disco supero ostiolato, in lim- 



bum H producto, prodeunt tentacula brevissima verruci- 



formia v. elongata lubulosa et ncropora, rarins ramosa, v^Ii' 

 dissima, papiUosa v. uncinulata, definita (6 v. 19) v- indefi- 

 nita, ni deficiant- Secretum cutis calcareum, ut in ovo avi- 

 um'(corannm Dana), in receptacula lamellosa < concava v. 

 convexa, singula v. polypis connalis communia ct gyrosa fi- 

 gnratur, qnce denique confcrrnminata, effoeta v, obliterata, 



Ihallum solidum, porosum v. lacunosum, -i dislinclurn 



et innovandum effingunl, ni polypi solitarii et nudi sint. 



F A 31. 9- 5! A D R E P On I N I. 



Thallus calcareus, passim porosus, e tubulis polypiferis 

 conlinuis, septiais v. obhtoratis confeclus, frutescens, tubero- 

 sus V. laminaris, prostratus v. adsurgens. l\eceplacub parva 



_, profunda cl exserta, lamellosa v. l^evia; polypi exiles, 



. discreli V. confluenles, -h - plicalr, tenlacuhs definilis, 19 

 V. r>, monocyclis v. pluribus aut nullis. (Porilidei,Favositidei, 

 Milleporei et" I^Iadrepor<'i): — Poriles, Gomopora, Alvcopora; 



— Sideropora; Seriatopora, Pocilopora, Stenopora, Constella- 

 ria, Famsites,Catenipora; — HcHopora, Helioliles, Millepora; 



— Manopora^ Madrepora. 



FA M. 40. ASTU .15 I X I. 



Polypi pUcali, saepe ma-ni, tentaculis tubulosis indefini' 

 tis, sparsis v. polycyclis priedili, ore s.nepe verrucoso, sohta- 

 rii' ovipari v. gemmalione supera eL divisione perf. v. ini'- 

 perfecta mulliplicati, discreli, connati (polystomi) v. limbo- 

 rum ope confluentes. Re.cptacula calcarea multilamellosa^ 

 sohtaria, limbo obducta, singula v. communia (potyp. con- 

 natis), cjespitosa v. in thallum laminarem, globosum, slrato 

 polyporum novello obvolulum, rarius frutescent aggregata: 



a. Astrceei: polypi conferti, discreti v. seriatim con- 

 fluentes, tentac. marginal.; receplacula concava v. convexa: 



— Euphyllia, CtenophjlUa, Mussa, Manicina, Caulastreea, 



