132 



G. LINDSTRÖM, lIELIOLITiniE. 



Propora (Pinacopora) girvanensis Nichols. & Etiiertdge p. 99. 



Fig. 30. Surfacc of a specimen from tbc .Tuiiftion Fig. 37 — 39. Various scctions of the same. "/i. 

 Cliff, Anticosti, Ganada. ^ji. 



Propora speciosa Billings p. 95. 



Fig. 40. Part of the surface of a specimen from | Fig. 43, 44. Sectioiis of a specimen from Dudley, 

 Anticosti, Cauarta. Vi- England. Vi- Septa much transformed. 



» 45, 46. Sections of a specimen from Borenshult, 



41, 42. Sections of the same. Vi- 



Ostrogothia, Sweden. Vi- 



