PLATE XL 
Fig. 1. THYRSOPTERIS PACHYRACHIS, sp. NOV....-.-.-..- 
1. Fragment of a compound pinna or of the frond.. 
1°. Ultimate pinna magnified ......--..-.---.......- 
Fig. 2. THYRSOPTERIS RARINERYVIS, Sp.nov....-..---...- 
2. Portion of a primary pinna or of the frond......- 
2°. Lower pinnule of 2 magnified.......---....-.-..- 
2>. Upper pinnule magnified...--. - hie tad a 
Fics, 3,4. THYRSOPTERIS ANGUSTIFOLIA, sp. NOV.-..--.---- 
3,4. Fragments of compound pinne.--......--.-.-.-- 
Fics. 5-7. THYRSOPTERIS DECURRENS, 8p. NOV..-..--------- 
5. Fragment of the summit of a compound pinna . . 
5°. Ultimate pinna magnified............---.----.-- 
6. Fragments of a compound pinna .---.-- uedesssisds 
GEinnulewmarnitiedsens nes. o- ese ane ae aerate 
7. Fragment of the upper part of an ultimate pinna 
TX. 
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