OF NEW SOUTH WALES. 341 



Fig. 2. Flabellum irregulare, nat. size. 

 Fig. 3. a. Corallum of Ctlicia magna, nat. size. 



b. Another specimen, nat. size. 



c. Calice of fig. 1, a., enlarged. 



Fig. 4. One system of Balanophyllia buccina, much enlarged. 



PLATE V. 



Fig. 1. a. Conoctathus compressus, corallum enlarged. 



b. Calice, much enlarged. 

 Fig. 2. a. Deltocyathus rot^formis, corallum enlarged. 



b. Calice, enlarged. 

 Fig. 3. a. Cylicia qtjinarium, enlarged. 



b. Calice, enlarged. 



c. Secondary septum, much enlarged. 



d. Septum of fourth order, much enlarged. 



e. Tertiary septum, much enlarged. 



Fig. 4. a. Dunocyathus parasiticus, immersed in Lunulites 

 CANCEllata, Busk., much enlarged. 

 b. Side view of Lunulite, enlarged 4 diam. 

 Fig. 5. a. Balanophyllia buccina, nat. size. 



b. Another specimen, nat. sixe. 



c. Another specimen, nat. size. 



d. The same seen across minor axis, nat. size. 



PLATE VI. 



Fig. 1. a. Endopachus Australia, major axis of corallum nat. size. 



b. Minor axis of same, nat. size. 



c. Calice, much enlarged. 



Fig. 2. a. Crispatotrochus inornatus, corallum enlarged 2 diam. 



b. Calice, much enlarged. 



c. Costai, much enlarged. 



Fig. 3. a. Heteropsammia elliptica, corallum nat. size. 

 b. Calice, enlarged. 



