1869-1889 With 21 (5 double-page) lithographed plates. Most papers unopened and disbound (partly loose).Includes: 1) Notes on various species of Ctenodus from the Northumberland Coal Field. 2) Notes on the remains of some reptiles and fishes from the Northumberland Coal Field (3 pls). 3) Note on an undescribed fossil fish from the Newsham Coal Shale. 4) On the occurrence of Loxomma allmanni in the Northumberland Coal Field. 5) Description of a Labyrinthodont Amphibian, a new Generic form, obtained at Newsham (1 plate). 6) Description of a considerable portion of a mandibular ramus of Anthracosaurus russelli, with notes on Loxomma and Archichthys (1 plate). 7) A few remarks on Dipterus and Ctenodus, and on their relationship to Ceratodus forsteri (2 pls). 8) Descriptive notes on a specimen of Pleurodus rankinii, on two new species of Platysomus, and a new Amphicentrum, with remarks on a few other fish remains (2 pls). 9) On the Skull and other bones of Loxomma allmanni from the Low Main, Newsham (4 pls). 10) On the articular bone and supposed vomerine teeth of Ctenodus obliquus, and on Palaeniscus hanckocki n.sp. from the Low Main, Newsham (1 plate). 11) On Anthracosaurus russelli (4 pls). 12) On Pteroplax cornuta (2 pls). 13) On a spinal column of Loxomma allmanni (1 plate).