50 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 93 



PAGE 



Fig. 10. Gigantopora perforata, new species 20 



Surface of a narrow bilamellar ovicelled zoarium. 



Some zooecia have their peristomie complete and perforated by a 



small spiramen. 

 Janjukian beds at Flinders, Victoria. 



Fig. II. Buffonellodes bacidina, new species 23 



Cylindrical unovicelled zoarium formed of zooecia with convex 



smooth frontal. 

 Balcombian beds at Muddy Creek, Victoria. 



Plate 6 

 (All illustrations on this plate are magnified, X 20) 



PAGE 



Fig. I. Stephanosella sexspinosa, new species 23 



Ovicelled incrusting zoarium with both zooecial and zoarial 



avicularia. 

 Balcombian beds at Muddy Creek, Victoria. 



Fig. 2. Chiastosella gibbera, new species 25 



Small fragment of a unilamellar zoarium illustrating the ir- 

 regular indistinct zooecia and large falciform avicularia. 

 Janjukian beds at Bairnsdale, Victoria. 



Fig. 3. Chiastosella grandicclla. new species 26 



Unilamellar zoarium exhibiting the very large zooecia and avicu- 

 laria. 

 Balcombian beds at Muddy Creek, Victoria. 



Fig, 4. Chiastosella porosa, new species 26 



Surface of the unilamellar zoarium showing the convex porous 



frontal and transverse avicularia. 

 Balcombian beds at Muddy Creek, Victoria. 



Fig. S. S chizobrachiella hexagoiialis, new species 24 



Zooecia of the unilamellar zoarium bearing only a single well- 

 developed avicularium. 

 Balcombian beds at Muddy Creek, Victoria. 



Fig. 6. Emballotheca inclinata, new species 27 



Surface of the broad bilamellar type specimen showing the enor- 

 mous embedded ovicell and the semicylindrical mucron inclined 

 in the aperture. 

 Balcombian beds at Muddy Creek, \'ictoria. 



Fk;. 7. Dakaria crassocirca, new species 24 



Portion of the free, cylindrical zoarium. 

 Janjukian beds at Bairnsdale, Victoria. 



Fig. 8. Chiastosella lamellafa, new species 25 



Wide frond of the lamellar zoarium exhibiting a group of ovi- 

 celled zooecia. 

 Balcombian beds at Muddy Creek, Victoria. 



Fig. 9. Schizoporella orbiciilifera, new species 28 



Zoarium exhibiting a perforated ovicell. 



Janjukian beds at Anticline Creek, Dartmoor, Victoria. 



