Fossil Floras of Cape Colony. 53 



1875. Pccopteris odontopUroidcs Crepin, Bull. Acad. E. Belgique, 



vol. xxxix., p. 258 (plate). 



1876. Thinnfcldia crassinervis Geinitz, PaUeont. Suppl., iii., p. 4., 



pi. i., figs. 10-16. 

 1883. Thinnfcldia odontoptcroides Tenison-Woods, Proc. Linn. Soc. 

 N. S. Wales, vol. viii., p. 103. 

 T. odontoptcroides xiiv. falcata, p. 107, pi. viii., fig. 1. 



1888. Thinnfeldia odontoptcroides Szajnocka, Sitzh. K. Akad. Wiss. 



Wien, vol. C. Abth. i., p. 10, pi. i., figs. 1-4. 



1889. Thinnfeldia odontopteroides Feistmantel, Abh. K. I)ohm. Ges. 



Wiss. Bd. III., Folg. vii., p. 62, pis. 1-3. 



1890. Thinnfeldia odontoptcroides Feistmantel, Mem. Geol. Surv. 



N. S. Wales, p. 101, pis. xxiii.-xxv., xxviii., xxix. 

 1892. TJiinnfeldia odontopteroides Jack and Etheridge, Geol. and 



Palgeont. Queensland, pi. xvii., fig. 1. 

 1902. Thinnfeldia odontoptcroides Arber, Quart. Journ. Geol. Soc, 



vol. Iviii., p. 2. 



In addition to the references given in the synonomy, the following 

 may be added as types of Thinnfeldia which, may be either specifically 

 identical with TJiinnfeldia odontoptcroides or at least very closely 

 allied forms : — 



Thinnfeldia rhomhoidalis Ettingshausen.''' 



T. lancifolia as figured by Morris,! Szajnocha, | and Solms- 

 Laubach. § 



T. tenuinervis Geinitz. || 



T. indica Feistmantel. 'i 



Odontopteris viacrophylla Curran.** 



Thinnfeldia falcata Tenison-Woods. I f 



Glcichenia lineata Tenison-Woods. it 



Frond bipinnate, rachis stout, occasionally bifurcating into two 

 linear pinnae inclined to one another at a small angle (pi. vii., fig. 1). 

 The pinnae bear crowded pinnules with apparently a thick lamina ; 

 the pinnules vary considerably in size, shape and venation, they may 

 be stout and broad and almost semicircular in form, deltoid or broadly 

 oval with slightly divergent forked veins passing into broad linear seg- 

 ments with a well-marked midrib giving off forked secondary veins 

 at an acute angle. The pinnules are confluent at the base. In the 



* Ettingshausen (.52). t Morris (4-5), pi. vi. 

 + Szajnocha (88). § Solms-Laubach (99), pi. xiv., fig. 2. 



II Geinitz (76), pi. i., tig. 17. IF Feistmantel (77), pis. xxxix. and xlvi. 



** Curran (85), pi. ix., fig. 3. ft Tenison-\Yoods (88). 



