198 
Joan M. Crockford, M.Sc. 
PLATE II. 
Figure A. FnicsfreJUna horologia (Rretnall) : Celluliferoas surface of a 
topotype, X 20. 
Figure B. Lyropora elcos-oides (Etheridge) : A thin section of the part of 
the lectotype, x 20. (Slide (5277, Western Australian Geological Survey Collec- 
tion.) 
Figure C. iRa}nipom amhrosoides (Bretnall) : Longitudinal seetioiij cut loose 
to the reverse surface (Slide 2793g, University of Western Australia Collection, 
from a specimen from the Nooncanbah Series" tiVo miles north of Mt. Anderson, 
AVest Kimberley District), x 20, 
Figure D. Famipora amhroffoides (Bretnall): Longitudinal section of a 
topotype,' cut rather closer to the obverse surface than C. (Slide 6278, Western 
Australian Geological Survey Collection), x 20. 
Figure E, F. Famipora amhrosoides (Bretnall): A^ertical sections (Slides 
2793 e, f. University of Western Australia Collection, from specimens from the 
Nooncanbah Series 6b', miles north of Mt. Anderson, West Kimberlev District), 
X 20. 
{Camera liccida diagrams.) 
