xxxii BRITISH FOSSIL CORALS. 



32. Genus Caryophyllia. 



{In parte) Lamarck, Hist, des Anim. sans Vert., t. ii, p. 224, 1816; Milne Edw. and J. Haime, Coniptes 



rend, de l'Ac. des Sc, t. xxvii, p. 491, 1848. 



Corallum simple, and adherent by a broad basis. Calice circular, or almost so. 

 Columella well developed, spongy, and composed of twisted lamellae, that advance one over 

 the other. Septa broad, exsert, numerous, close set, and armed with spines, the size of 

 which augments from the centre of the calice towards its margin. Dissepiments vesicular 

 and abundant. Wall presenting costce, formed by a series of spines; epitheca rudimentary. 



Typ. sp., Caryophyllia lacera, Milne Edw. and J. Haime, An. des Sc. Nat., 3 me serie, t. xi, p. 237 ; 

 Madrepora lacera, Esper, Pflanz., tab. xxv, fig. 2. 



33. Genus Circophyllia. 



Milne Edw. and J. Haime, Comptes rend., t. xxvii, p. 491, 1848. 



Corallum simple, subturbinate. Columella large and papillose. Septa broad, numerous, 

 exsert, with their calicular edge divided in small obtuse lobes. Dissepiments abundant, 

 vesicular, and arranged in spiral concentric lines. Costa thin, nearly equal, simple, and 

 delicately granulated. 



Typ. sp., Circophyllia truncata, Milne Edw. and J. Haime, Ann. des Sc. Nat., 3 me serie, t. x, tab. viii, 

 fig. 3 ; Anthophyllum truncatum, Goldfuss, Petref., tab. xiii, fig. 9. 



34. Genus Thecophyllia. 



Milne Edw. and J. Haime, Comptes rend., t. xxvii, p. 491, 1848. 



Corallum simple, adherent, or sub-pedicellate. Calice circular, or nearly so. No colu- 

 mella. Septa very broad, in general slightly exsert, numerous, and armed with nearly equal 

 spiniform teeth. Wall covered with a thick, membraniform epitheca. 



Typ. sp., Thecophyllia decipiens, Milne Edw. and J. Haime, Ann., t. xi, p. 241 ; Anthophyllum decipiens, 

 Goldfuss, Petref., tab. lxv, fig. 3. 



35. Genus Lobophyllia. 



(Pars) Blainville, Diet, des Sc. Nat., t. Ix, 1830 ; Milne Edw. and J. Haime, Ann., t. xi, p. 244. 



Corallum composite, tall, and increasing by fissiparity. Corallites segregate, or united in 

 series, which are always simple, and free laterally. Calice with a deep fossula. Columella 

 spongy. Septa numerous, exsert, very granular, and armed with strong marginal teeth, the 

 most external of which are the largest ; loculi shallow. Walls striated longitudinally, and 

 armed with spines ; epitheca rudimentary. 



§ 1. Lobophyllia cymosce. Typ. sp., Lobophyllia angulosa, Blainv. ; Caryophyllia angulosa, Lamarck. — 

 § 2. Lobophyllia gyrosce. Typ. sp., Lobophyllia multilobata, Milne Edw. and J. Haime, loc. cit., p. 250 ; 

 Fungus marinus, Seba, Rer. Nat. Thes., vol. iii, tab. cix, No. 4. 



