315 
LI. 
Fig. 15.— Columnaria (Loyolophyllum) cresswelli, sub. gen. et sp. nov. 
Horizontal section of corallum, showing well-preserved septa 
extending to centre of corallites. Loyola. Cresswell coll. 
(Nat. Mus.) x 15. 
Fig. 16.— C. (L.) cresswelli , sub gen. et sp. nov. Vertical section of 
corallum, showing curved tabulae, outer vesicular zone, and 
striated epithecal walls. Cresswell coll. (Nat Mus.) 
x 15. 
LTI. 
Fig. 17.— Columnaria (Loyolophyllum) cresswelli , sub. gen. et sp. nov. 
Young corallum, peduncular view. Griffith’s Quarry, Loyola. 
M.D. No. 2494. x 
Fig. 18.— C. (L.) cresswelli. sub gen. et sp. nov. Horizontal section of a 
corallum of a badly-preserved example. Griffith’s Quarry, 
Loyola. M.D. No. 2488. (Slide No. 1373.) x 6. 
LIII. 
Fig. 19.— Favosites forhesi Edwards and Haime. Vertical section of 
corallum, showing variable size of corallites and changes in 
the direction of growth. Deep Creek, Thomson R. M.D. 
No. 573. (Slide No. 1324.) x 6. 
Fig. 20.— Favosites gothlandica Lamarck. Vertical section of corallum, 
showing thin corallite walls, mural pores, vestiges of septa, 
and closely set tabulae. Deep Creek, Thomson R. M.D. 
No. 589. (Slide No. 1331.) x 6. 
LIV. 
% 
Fig. 2i.— Favosites nitida , sp. nov. Vertical section of corallum. Deep 
Creek, Thomson R. M.D. No. 564. (Slide No. 1318.) 
Cotype. x 6. 
Fig. 22.— F. nitida , sp. nov. Oblique section of corallum. Deep Creek, 
Thomson R. M.D. No. 588. (Slide No. 1330.) Para- 
type. x 6. 
Fig. 23.— F. nitida , sp. nov. Horizontal section of corallum, showing 
spinose septa. Deep Creek, Thomson R M, D. No. 576. 
(Slide No. 1325.) Cotype. x 6. 
LV. 
Fig. 24.— Favosites nitida , sp. nov. Vertical section of corallum. Deep 
Creek, Thomson R. M.D. No. 592. (Slide No. 1333.) 
Paratype. x 15. 
Fig. 25.— F. nitida, sp. nov. Vertical section of corallum, showing mural 
pores and vestiges of spinose septa. Cooper’s Creek. M.D. 
No. 749. (Slide No. 1335.) Cotype, x 15. 
LVI. 
Fig. 2 6 .— -Favosites sp. Transverse section of a branching form. Deep 
Creek, Thomson R. M.D. No. 571. (Slide No. 1322.) 
x 15. 
Fig. 27.— Favosites forhesi Edwards and Haime. Section through the 
peduncular part of a corallum. Deep Creek, Thomson R. 
M.D. No. 568. (Slide No. 1320.) x 6. 
