PLATE XIV. 



Diphyphyllum arundinaceum, Billings (page 162). 



Figure 1. Side view of corallites of a specimen from the Corniferous formation of On- 

 tario. 

 Figure la. Longitudinal section of one of the corallites ; twice the natural size. 

 Figure 16. Transverse section of the same ; twice the natural size. 



Acervularia gracilis, Billings (page 163). 



Figure 2. Transverse section of some of the corallites of the type specimen from Mani- 

 touaning, Grand Manitoulin Island, Lake Huron ; twice the natural 

 size. 



Figure 2a. Longitudinal section of two of the corallites, showing the calyces ; twice the 

 natural size. 



Acervularia Davidsoni, Milne-Edwards and Hairae (page 164). 

 Figure 3. Transverse section of corallites of a specimen from near Woodstock, Ont. 



PHiLLiPSASTRiEA Verneuili, Milne- Ed wards and Haime (page 166). 



Figure 4. A few of the calyces of a specimen from lot 2, concession 4, Rainham town- 

 ship, county of Haldimand, Ont. 



Phillipsastr,ea Verrilli, Meek (page 167). 



Figure 5. Part of the calicular surface of a specimen from Vermilion Falls, Peace 

 River, District of Athabasca. 



Figure 5a. Transverse section of corallites irom the same specimen ; one and a half 

 times the natural size. 



Figure 56. Longitudinal section of corallites from the same specimen ; similarly en- 

 larged. 



Figure 6. Part of the upper surface of a specimen, with somewhat smaller corallites, 

 from Hay River, forty miles above its mouth, District of Athabasca. 



Phillipsastr^ea Verrilli, var. eximium (page 168). 

 Figure 7. A few of the calyces of a specimen from the same locality on the Hay River. 



Pachyphyllum Devoniense, Milne-Edwards and Haime (page 170). 



Figure 8. Transverse section of corallites of a specimen from Peace River, between the 

 mouth of Red River and Vermilion Falls, District of Athabasca ; 

 enlarged one and a half times. 



Figure 8%. A longitudinal section of corallites from the same specimen ; similarly en- 

 larged. 



Lonsdaleia Pictoense, Billings (page 173). 



Figure 9. Longitudinal section of one of the corallites of the type specimen from East 



River, Pictou, N.S. ; twice the natural size. 

 Figure 9a. Transverse section of another ®f the corallites of the same specimen ; twice 



the natural size. 



Clisiophyllum Billingsi, Dawson (page 174). 



Figure 10. Side view of the type specimen from Lower Stewiacke, county of Col- 

 chester, N. S. 

 Figure 10a. Longitudinal section of the same, showing the calyx. 



Lithostrotion Macouni, Lambe (page 176). 



Figure 11. A few of the corallites of the type specimen from Fossil Point, Peace 



River, B.C.. 

 Figure 11a. Longitudinal section of two of the corallites ; magnified four times. 

 Figure 116. Transverse section of a few of the corallites ; twice the natural size. 



Arachnophyllum difpluens, Milne-Edwards and Haime (page 1 83). 

 Figure 12. Part of the calicular surface of a specimen from Owen Sound, Ont. 



