lii Catalogue of Books. 



Lichens, Angiocarpous. Leighton. (Eay Society). 



Medusae, British Naked-eyed. Ed. Forbes. 



Mollusca, Nudibranchiate. Alder d Hancock. 7 vols. 



Oribatidae, British. Michael. 2 vols. 



Palasontographical Society, Publications of the. 44 vols. 

 Physiophilosophy, Elements of. Oken, (Kay Society). 

 Polyzoa, Freshwater. Allman. 

 Pterylography. Nitzsch. 



Eay, Correspondence of. (Bay Society). 



Ray, Memorials of. (Kay Society). 



Keptiles of British India. Giinther. 



Royal Society, Abstracts of Proceedings. 1801 to 1873. 21 vols. 



Selecta Fungorum Carpologia. Tulasne. 3 vols. 

 Shells, Bone, &c., Formation of. George Rainey. 

 Shoulder-girdle and Sternum, Structure and Development of, in the 



Vertebrata. 

 Spiders of Great Britain and Ireland. Blackwall. 2 vols. 

 Spongiadae, Monograph of British. Bowerbank. 4 vols. (Ray Society). 



Trilobites, Organization of. Burmeister. 



Vegetable Teratology. Masters. (Ray Society). 



Zoology, Reports on. (Kay Society). 



Lent by Me. Mennell. 



British Ferns. Newman, 



British Poisonous Plants. Sowerby S Johnson. 



Flora of Essex. Gibson. 



Frog, The Common. St. George Mivart. 



Insects, Origin and Metamorphoses of. 



Meteorology. Daniel. 2 vols. 



Natural History Review. 3 vols. 



Northumberland and Durham Natural History Society, Transactions 

 of the. Vols. 1 to 7. 



Eusticus, The Letters of. 1849. 



Tyneside Naturalists' Field Club, Transactions of the. Vols. 1 to 6. 



Vertebrata, Handbook of the Yorkshire. 



