384 Proceedings of the Royal Physical Society. 



Group II. Pucalamites, Weiss. 



Calamites ramosus, Artis sp. 



PI. XV. Calamites nodosus, L. and H. (in part). 

 Calamites cruciatus, Sternb., var. senarius, Weiss, 



PI. ccxvi. Calamites approximatus^ L. and H. 



Group III. Stylocalamites. 



Calam^ites Suckowii, Brongt. 



PI. Ixxviii. Calamites. (With roots.) 



PI. Ixxix. Calam,ites cannceformis, L. and H. 



PI. xcvi. Calamites. (The base of a stem.) 



CalaTnocladus, Schimper. 



Calamocladus grandis, Sternb. sp. 



PI. clxxiii. Bechera grandis. 

 Calamocladus equisetiform,is, Schl. sp. 



Pis. cxc, cxci. Hippurites longi/olia, L. and H. 

 (?) PI. xix., fig. 2. Asterophyllites grandis, L. and H. 

 Calamocladus longi/olius, Brongt. sp. 



PI. xviii. Asterojyhyllites longifolia. 

 (f) PI. cxxxiii. Asterojyhyllites jubata, L. and H. 



Palceostachya, Weiss. 



Palceostachya sp. 



PI. XV. (in part). Calamites nodosus, L. and H. 

 PI. xvi. Calamites nodosus^ L. and H. 



Annularies. 

 Annularia, Brongt. 



Annularia stellata, Schl. sp. 



PI. cxxiv. Asterophyllites equisetiformis. 

 Annularia radiata, Brongt. 



PI. XXV., fig. 1. Asterophyllites foliosa, L. and H. 

 Annularia galioides, L. and H. sp. 



PI. XXV., fig. 2. Astero2)hyllites galioides, L. and H. 



Stachannularia, Weiss. 



Stachannularia (?) Northumhriana, Kidston. 

 PI. xiv. Astero2)hyllites tuherculata. 

 PI. clxxx. Aste7'ophyllites tuherculata. 



