26 G. LINDSTRÖM, ACTINOLOGY OF THE ATL. OCEAN. 
Schizocyathus fissilis Pourr. 
Fig. 26. A eloven coral of three systems, showing how the septa of the second order hem in those of 
the first. III, septum of the third order. 
27. OCaliecele from above. I, septum of the first order. II, ditto of the second order. 
Plate III. 
Schizocyathus fissilis Pourr. 
Fig. 28. Specimen growing at right angles from a detached segment of an older coral. 
» 29. Specimen growing in direct continuation from a segment and having a bud or contracted 
calicele within. 
» 30 & 31. Calicles growing from two segments. 
» 32. Outside of epitheca showing the regular rows of pale dots and the transparent (white) lon- 
gitudinal partition lines between a septum of the third order and those of the second, 
the septum being in the middle decayed. 
» 33. ÅA specimen consisting partly of an old calicle and partly of a new one. 
» 34. Thin” section near the wall; a. the chief or original part of the septum; b. the later formed 
stereoplasma or dissepiment, which entirely fills the loculi excepting where the lacunze (c) 
are left as regular rows of-holes, which on the transparent epitheca cause the longitudinal 
lines of dots. 
sStenocyathus vermiformis POourt. 
Fig. 35. Calicle from above. 
» 36. Outside of the wall with rows of -pale dots. 
» 97 & 38. Parasmilia punetata n. 
Diaseris crispa Pourr. 
Fig. 39. Outline of a septum. 
Dendrophyllia Goéösii n. 
Fig. 40. Caliele of small specimen in which three septa of the first order are enelosed by those of the 
second. 
» 41. Larger specimen. a. Septa of the first order enclosed between those of the second and thus 
stopped in their growth. 
» 42. Caliele of adult specimen. a. Later developed septa, forming the first cycle in the adult 
calicle. 
-—-— Ser «Mor en m Tr — — —- 
