304 Oti, the chief Generic Tijijes of Palmozoic Corals. 



corallites budded oflf from the disk of the calice. 3 a, longitu- 

 dinal section of the same, showing- the absence of the columella 

 in the uppei' portion of the corallum and its presence in the 

 lower portion. Lower Carboniferous, Brockley, near Lesma- 

 hagow, Lanarkshire. 



Fig. 4. Konincliophyllum Lmddrdmi, Thomson and Nicholson, transverse 

 section ; the external vesicular tissue is extraordinarily dense, 

 and the columella is apparently connected with the septum 

 occupying the septal fossula. Lower Carboniferous, Brockley, 

 near Lesmahagow, Lanarkshire. 



Fiff, 6. Konincliophyllum radiatum^ Thomson and Nicholson, transverse 

 section. Lower Carboniferous, Charleston, Fifeshire. 



Fig. 6. Koninchophyllum retiforme, Thomson and Nicholson, transverse 

 section, showing the rectangular dissepiments and the septal fos- 

 sula occupied by two short septa ; the columella is imperfectly 

 cellular. 6 a, longitudinal section of the same. Lower Carbo- 

 niferous, Brockley, near I^esmahagow, Lanarkshire. 



[^Figs. 8, 8 a, and 8 b of the preceding portion of this paper, 

 'Annals,' February 1876, PI. VIII., are illustrations of Konincko- 

 phyllum maynijicum. Fig. 8 shows the floor of the calice, with 

 the protuberant columella ; fig. 8 a is a transverse section of the 

 same ; and fig. 8 B is a longitudinal section, showing the colu- 

 mellary line, with the elevated tabuloe around it.] 



Plate XiV. 



Fig. 1. Lithostrotion hasaltiforme, Flem., a transverse section, showing a 



portion of the internal structure and the aspect of the calices. 



Lower Carboniferous, Arbigland, Dumfriesshire. 

 Fig. 2. Lithostrotion Portlocki, Bronn, transverse section of a small slab ; 



2 a, longitudinal section of the same ; 2 b, a few of the corallites 



enlarged. Lower Carboniferous, Dunbar. 

 Fig. 3. Lithostrotion M' Coyanum, E. & H., transvei-se section of a small 



slab. Lower Carijouiferous, Penrith, Cumberland. 

 Fig. 4. Lithostrotion Flemingii, M'Coy : the crown of the dome-shaped 



mass is gTOund away, exhibiting the arrangement of the septa 



and, towards the margin, the calices. Lower Carboniferous, 



Arbiglajid, Dumfi-iesshire. 



Plate XV. 



Fig. 1. Lithostrotion PhiUipsi, E. & H., transverse section of a small slab ; 

 1 A, longitudinal section of the same, sliowing the columellary 

 line. The absence of the cokimella in parts is due to the flexuous 

 form of the corallites. Lower Carboniferous, Arbigland, Dum- 

 friesshire. 



Fig. 2. Lithostrotion Martini, E. & H., transverse section of an unusually 

 large variety. Lower Carboniferous, Arbigland, Dumfriesshire. 



Fig. 3. Lithostrotion irregulare, Phill., transverse section of a small slab. 

 Lower Carboniferous, Boghead, near Lesmahagow. 



Fig. 4. Lithostrotion juncetmi, Flem., longitudinal section of a small slab ; 

 4 A, transverse section of a. small slab of the same ; 4 b, a few 

 of the corallites enlarged, showing the peculiar arrangement of 

 some of the primary septa. I^ower Carboniferous, Brockley, 

 Lesmahagow. 



Plate XVI. 



Fig. 1. Lonsdaleia rugosa, M'Coy, transverse section of small slab, show- 

 ing the development, from the young corallite emerging from 



