CANADIAN PALiEOZOIC CORALS. 



77 



Average size of 

 meshes. 



Whether 



with septal 



spines or not. 



In different speci- 

 mens from 3 mm. 

 to 7 mm. across 

 with some long 

 irregular meshes. 



Generally long and 

 narrow, width 

 from 2 to 3 mm. 



Broad and spread 

 ing. 



About 8 mm. across 



Eather irregular, 

 About 6 mm. a- 

 cross. 



In parallel rows 

 aboutB mm. apart 

 in other speci- 

 mens large and 

 spreading, some 

 of the expansions 

 as broad as 11 

 cent. 



Meshes very long 

 and narrow ; co- 

 rallites in parallel 

 lines. 



Not seen. 



Septal spines 

 well preserv- 

 ed. 



Indicated . . 



Not seen. 



Internal 



Indications of 

 septa. 



Not seen. 



Not seen. 



Long and narrow ; 

 coraUites often in 



Saralled r o ws . 

 leshes from 5 to 

 3 mm. across. 



Tabulse 

 of corallites. 



Flat, 8 to 12 in 5 

 mm. 



Concave, about 

 in 5 mm. 



Generallyflat, often 

 slightly concave 

 or convex, about 

 8 in 5 mm. 



Generally flat, 

 about 8 in 5 mm. 



structure not prese 



J?resent 



In small form 8 in 

 5 mm. slightly 

 concave, in large 

 form 4 or 5 in 5 

 mm. concave. 



Flat or slightly 

 concave, 6 in 5 

 mm. 



Flat also slightly 

 convex or con- 

 cave, 6 in 5 mm. 



Flat or slightly con 

 vex, 10 to 20 in 

 5 mm. 



Tabul« 

 of tubules. 



Convex, vesic- 

 ular in pla- 

 ces, about 20 

 in 5 mm. 



Very con vex 

 and close set, 

 24 in 5 mm. 



rved. 



Collector. Date. 



J. Townsend, 1883.. 



R. Bell, 1859. 



J. Townsend, 1883.. 



J. B. Tyrrell, 1890. 



Prof. A. P. Cole- 

 man, 1885. 



Prof. A. P. Cole- 

 man, 1885. 



T. C.We8ton,1867. 



R. W. Ells, 1883. 



Slightly conca 

 ve, abruptly 

 bent down at 

 the edges, 20 

 in 5 mm. 



Straight or 

 slightly con- 

 vex, vesicu- 

 lar at times, 

 20 in 5 mm. 



R. BeU, 1862. 



Logan, 1843. 

 R. Bell, 1862. 

 J. Richardson. 



T. C. Weston,1880.. 



