289 
IN BRITISH SPECIES OF CORALS, 
of the Granular Period (costal-stage VII.). To detect and interpret 
the stages of the earlier parts of P. fittoni before costal-stage VII. 
1909.] 
Text-fig. 38. 
Plain Pertod. Llched Pervoad. Granular lero 
———_— LL __, 
Anagenelic Phase. alagert| A nagenelce Phase. payee)  Arnagerelic etapa 
Stagel. S ree Stagel. | SlagelV. Stage V. Stage WZ i Ww CSE EL Stage B 
| 72 ie ae € Haume. 
| ee oe 4 a Une | | 
| PManleltt,Zolwards & Haiwme. ee 
P Cravest, Ll. & Hatin. er 
73 Granwulace, D2ARCA2. ee ee Si, 
| | Saree | | | | l 
| 
(2 cenGrates Martel). 
3 Ses iS Sess | P. serpentina ,Zduards & Haime. 
_ os L 
Diagram illustrating the progress of costal ornamentation in the English species of Parasmilia. 
But unless it is first 
From this it will be realised how 
close observation. 
lly the case has been stated. 
diagrammatica 
requires 
