NATURAL HISTORY SOCIETY OF GLASGOW. 269 



Plate VI. 



Fig. 1. — Spiriferina Etheridgei (Davidson). — The dorsal valve 

 of an example in which the roughened papillose surface is pre- 

 served. Brunston Colliery, near Penicuick, in shale above the 

 No. 2 Limestone. 



Fig. 2. — Chonetes polita (M'Coy). — As usually described and 

 figured; a well grown example. Catcraig Quarry, near Dunbar; 

 Lower Carb. limestone group. 



Fig. 3. — The same, with the indistinct striae of the surface 

 preserved. Same locality. 



Fig. 4. — Chonetes, sp. — A view of the ventral valve, showing 

 the probable normal form. Kicllaw Quarry, near Giffbrd, Hadding- 

 tonshire; Lower Carb. limestone group. 



Fig. 5. — Interior of the same specimen, showing the beak and 

 portions of the area. 



Fig. 6. — Orthotetes crenistria, var. senilis (Phill.) — View of the 

 ventral valve, nat. size. Bowen Elver coal-field, N. Queensland. 



Fig. 7. — View of a portion of the dorsal valve, and area of the 

 same, nat. size. 



Fig. 8. — Portion of the surface of the same, highly magnified, 

 showing the perf orations of the shell substance. 



April 27th, 1880. 

 Professor John Young, M.D., F.G.S., President, in the chair. 



SPECIMENS EXHIBITED. 



Mr. Thomas King exhibited a growing specimen of the common 

 Primrose {Primula vulgaris), in which the points of the calyx had 

 been metamorphosed into true leaves. 



Mr. Peter Ewing showed specimens of Petasites alba from the 

 neighbourhood of Barrhead. This plant, which differs not only 

 in the colour of its flower but in other respects from the common 

 Butterbur, is not indigenous, but may be considered as an escape 

 from shrubberies, although found in many different localities. 



Mr. John M. Campbell exhibited : — 



1. A specimen of the Collared Peccary {Dicotyles tajacu, Lin.). 

 He said the Peccaries, of which there are two distinct species, are 

 natives of the forest region of South America. They are by nature 



