ITALY. 83 



States, and in the Picene Territory ; continued. (Latini)'On the Ammoniac 

 given out in Respiration. (Volpicelli) Extract from Melloni's two Memoirs 

 on the Magnetism of rocks. 



Sixth year ; Sessions of 1853. A.D. 1855. 

 (Ponzi) Geological map of the Comarca of Rome. 



SPAIN. 

 Memorias de la real Academia de Ciencias de Madrid. Memoirs of 

 the Madrid Royal Academy of Science. Third Series. Natural Sciences. 

 4to. Madrid. Vol. I. A.D. 1850-1854. 



Part I. A.D. 1850. 

 (Naceyro) List of the Birds observed in the environs of Santiago, and in 

 other parts of the Province of Galicia — p. 93-116. (Graells) Description of the 

 Larva of Agapanthia ; with a plate — p. 67-79. (Luj an) Geological studies of 

 part of the Provinces of Badajos, Seville, Toledo, and Ciudad Real ; with a map 

 — p. 3-34. (Ezquerra del Bayo) Essay of a general account of the Geological 

 — structure of the Spanish territory in the Peninsula ; with a map— p. 35-65. 

 Part II. A.D. 1851. 

 (Vidal) List of the Birds of Albufera— p. 167-172. (Graells) Description of 

 some new species of Insects of Central Spain — p. 109-166. (Luj an) Geological 

 studies, Part II. — p. 1-72. (Ezquerra) Geological description of Spain ; Sec- 

 tion II p. 73-108. 



Part III. A.D. 1854. 

 (Ezquerra) Geological description of Spain ; Section III. — p. 161-184. 

 (Pastor y Lopez) Geognostical and Agricultural account of the Province of 

 Asturias ; Prize Essay of the Academy — p. 1-132. 



AMERICA. 

 American Journal of Science and Arts ; Conducted by Professors Silliman 

 and Dana, &c 8vo. New York. 

 Vol. XXIII. January to May, 1857. 

 Original Essays. — (Nickles) On the presence of Fluorine in the Blood — p. 

 101. (Gray) Statistics of the Flora of the Northern United States \ continued 

 from the preceding volume — p. 62-84, 369-403. Among the characteristics of 

 this Flora, compared with that of Europe, the relative superiority in types of 

 Orders is signalized, twenty-six Orders being included in it which are wanting to 

 that of Europe ; while that, exclusive of the Mediterranean basin, has only seven 

 Orders which are not represented in this ; — the prevalent subtropical character in 

 those extra-European Orders ; — the abundance of woody plants, and especially of 

 trees, &c. (Hall) Observations on the Carboniferous Limestones of the Missis- 

 sippi Valley— p. 187-203. (Same) On the genus Archimedes or Fenestella from 

 the Carboniferous Limestones of the Mississippi Vailey — p. 203, 204. (Bailey) 

 Microscopic examination of the Soundings of the Atlantic, made in the voyage of 

 the Arctic to and from Ireland, by Lieut. Berryman of the U. S, Navy — p. 153-157. 

 The Coalfields of the East Indian Archipelago— p. 157-161. (Mallet) On the Rose- 

 coloured Mica of Goshen, Massachusetts— p. 180. (Same) Analyses made for 

 the Geological Survey of Alabama — p. 181-185. (Same) On " Red Sulphur" — 

 p. 185-187. (Newberry) Mode of formation of Cannel Coal— p. 212-215. 

 (Whitney) On the Huronian and Laurentian Systems of the Canada Geological 

 Survey— p. 305-314. (Scrope) On the formation of Craters and the nature of the 

 Liquidity of Lavas ; Extracted from the Journal of the Geological Society of 

 London— p. 346-359. (Genth) Contributions to Mineralogy— p. 415-427. 

 (Pratt) On two Sulphurets of Copper, from the Canton Mine. Georgia, U. S. — p. 

 409-414. (Bakewell) On the Changes which have taken place, and which are 

 now iu progress, in the Falls of Niagara — p. 85-95. (LeConte) On the agency 

 of the Gulf stream in the formation of the Peninsula and Keys of Florida — p. 46- 

 60. (Bache) Observations on the cause of the increase of Sandy Hook-— p. 16. 



