OF COAL-MEASURE PLANT-IMPRESSIONS. 209 
ne 
The major pinnules were first known in 1886, and were regarded as a 
separate species. Neglecting two early figures, about which considerable 
doubt exists [the Neuropteris heterophylla of Lindley and Hutton (20. iii. 
pl. 183), the type of which is lost, but which may be a specimen of 
Fra. 1. 
Neuropteris obliqua, Brongn. Major and minor pinnules. Potonié, H., Ueber einige 
Carbonfarne, IV. Theil, 1893, pl. 1. fig. 1. Newrodontopteris impar (Weiss) Potonié. 
N. obliqua incorrectly drawn, and also the Neuropteris Scheuehzeri of Sauveur 
(24. pl. 34. fig. 2)], we have the specimen figured hy Zeiller in 1836 (27. p. 255, 
pl. 41. fig. 4) as N. acuminata. In this specimen the pinna is composed entirely 
of the major pinnules. Other excellent examples of these pinnules have been 
