ADDITIONS TO THE LIBEATtY. 



245 



On fossil Sponge-spicules from the Carboniferous Strata of Ben Bul- 

 ben, near Sligo, 209. — G. Ootteau. On the Tertiary Echinida of 

 Belgium, 246. — R. Etheridge, Jim. Notes on the Gasteropoda contained 

 in the Gilbertson Collection, British Museum, and figured in Phillips's 

 1 Geology of Yorkshire,' 289.— A. J. Jukes-Brown. The Chalk Bluffs of 

 Trimmingham, 305. — H. Alleyne Nicholson. On the Minute Structure of 

 the recent Heteropora neozelanica, Busk, and on the Relations of the 

 Genus Heteropora to Monticulipora, 329, 414. — A. Agassiz. On Paleeon- 

 tological and Embryological Development, 348. — J. W. Davis. On a 

 Species of Gyracanthus, a fossil Fish from the Coal-measures, 372. — W. 

 J. Sollas. On the Flint Nodules of the Trimmingham Chalk, 384, 437. 



Annals and Magazine of Natural History. Ser. 5. Yol. vii. Nos. 

 37-42. 1881. Purchased. 

 H. A. Nicholson. On some new or imperfectly-known Species of 

 Corals from the Devonian Rocks of France, 14. — R. Etheridge, Jun. 

 Descriptions of certain peculiar Bodies which may be the Opercula of 

 small Gasteropoda, discovered by Mr. James Bennie in the Carboniferous 

 Limestone of Law Quarry near Dairy, Ayrshire, with Notes on some Si- 

 lurian Opercula, 25. — W. J Sollas. Note on the Occurrence of Sponge- 

 spicules in Chert from the Carboniferous Limestone of L-eland, 141. — G. 

 C. Wallich. On the Origin and Formation of the Flints of the Upper or 

 White Chalk; with Observations upon Prof. Sollas's Paper in ' The Aimals 

 and Magazine of Natural History' for December 1880, 162. — S. H. Scudder. 

 Relation of Devonian Insects to Later and Existing Types, 255. — G. C. 

 Wallich. On Siliceous Sponge-growth in the Cretaceous Ocean, 261. — P. 

 H. Carpenter and R. Etheridge, Jun. Contributions to the Study of the 

 BritishPaheozoic Crinoids, 28L — H. J. Carter. On the Kunker Formation 

 of the Alluvium in India compared with the Flint Formation in the Chalk 

 of England, 308.— H. Filhol. The Bears of the Cavern of Lherm, 428.— 

 J. W. Davis. On Palceospinax priscus, Egerton, 429. — S. H. Scudder. 

 The Structure and Affinities of Euphoberea, Meek and Worthen, a Genus 

 of Carboniferous Myriopoda, 437.— 0. C. Marsh. Discovery of a fossil 

 Bird in the Jurassic of Wyoming, 488. 



Atheneeum (Journal). Nos. 2748-2774. 1880. 



A. C. Ramsay. Address delivered at the Swansea Meeting of the 

 British Association for the Advancement of Science, August 25, 1880 ; 263. 

 — British Association at Swansea, 309. 



. Nos. 2775-2799. 1881. 



Sir Philip de Malpas Grey Egerton, Bart., M.P., 494.— The Hamad, 817. 



. Parts 630-636. 1880. 



. Parts 637-640. 1881. 



Barnsley. Midland Institute of Mining, Civil, and Mechanical 

 Engineers. Transactions. Yol. vii. Part 50. 1880. 

 T. W. Embieton. On an Outburst of Carbonic Acid Gas in the Roche- 

 belle Coal Mine, France, 89. 



. . . Yol. vii. Parts 52 and 53. 1881. 



Basel. Schweizerische palaontologische Gesellschaft. Abhandlungen. 

 Yol. vii. 1880. Purchased. 

 Forsyth Major. Beitrage zur Geschichte der fossilen Pferde. — Ph. 

 de la Harpe. Etude des Nummulites de la Suisse et revision des especes 

 eocenes des genres Nummulites et AssUina. — L. Riitimeyer. Beitrage zu 

 einer natiirlichen Geschichte der Hirsche. — F. Koby. Monographie 

 des polypiers jurassiques de la Suisse. — P. de Loriol. Monographie pa- 



