i-t. 



PLATE III. 



Flabellum. 



Page. 



Figs. 1 to 4. Flabellum conoideum sp. nov 56 



Fig. 1, upright view of a specimen, X If; fig. la, calicular view of the same, x 2; 



IVAvJ.vi- fig. 2, a more slender specimen, x IJ; fig. 3, cross section of a rather young speei- 



I men, X 3; fig. 4, cross section of an older sjiecimen, X 3. Figs. 3 and 4 show that 



the members of the higher cycles of septa first appear near the ends of the longer 



transverse axis of the calice. 



Figs. 5 to 6a. Fluhellii'in conoideum var. matthewscnsc \ar. nov 58 



Figs. 5 and 5a, two views of the same speiimen ; figs. 6 and 6a also two views of the 

 same specimen. All figures natural size. 



Figs. 7 to 7b. Flabellum joknaoni sp. nov.. 59 



All figures drawn from the same specimen. Figs. 7 and 7a, two upright views, natu- 

 V ral size; fig 7b, calicular view enlarged twice. 



Figs. 8 to 9a. Flabellum lerchi sp. nov 59 



Fig. 8, upright view, x '21; fig. 9, upright view of another specimen, X IJ; fig. 9a, 

 calicular view of the same specimen, x 2i. 



Fig. 10. Flabellum cuneiformc Lonsdale 60 



; Natural size, dr.awu from a rubbersqneezeof one of Lonsdale's original specimens in 



the Geological Society of Loudon. 



Fig. 11. Flabellum euneiforme \aT. paeln/jthyllum Ga,hh mid Horn 62 



Height of specimen 27 mm. 



Fig. 12. Flabellum cuneiforme Lonsdale 60 



Specimen from Claiborne, Alabama, X Ij- 



Figs. 13 to 18. Flabellum eunciforme var, pachyphjillum Gabb and Horn 62 



Fig. 13, a typical specimen, height 23 mm.; tJie other figs, show variation; fig. 18 

 might be referred to the var. acutiforme: figs. 14, 15, 16, and 18, natural size; fig. 

 17, height of specimen 21 mm. 



Figs. 19 and 20. Flabellum enneiforme var. acutiforme var. nov 63 



Fig. 19, ^ natural size ; fig. 20, natural size. 



Fig. 21. Flabellum cuneiforme var. fragile var. nov 63 



Fig. natural size. 



Figs. 22 to 23a. Flabellum cuneiforme var. u-ailesi Conrad 64 



Fig. 22, an internal cast from Eutaw, .South Carolina, natural size; fig. 23, a typical 

 specimen from .lacksou, Mississippi, f, natural size; fig. 23a, surface of preceding 

 specimen stri])ped of epitheea, enlarged. 

 Figs. 1, 2, 8, 12, 19, 23, and 23a drawn by J. Henry Blake; tigs. 11, 13. and 17 by Hunter Harris; 

 others by Dr. J. C. McConnell. 



214 



