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to build," which unfolds in an attractive form, the principles of good 

 taste and good sense involved in these considerations. The book will 

 be well appreciated by all who are about to indulge their architectural 

 taste, as well as by professional architects. 



P. H. Gosse : The Birds of Jamaica. Post. 8vo. London, 1847. 10s. 



D. T. Ansted : The Ancient World, or Picturesque Sketches of Creation ; Post. 

 8vo, with 149 illustrations. London, 1847. 12s. 



Taylor's Scientific Memoirs. Part 17. Containing Schmidt's Contributions 

 to the Comparative Physiology of the invertebrata, being a Physiologico-cherniea! 

 investigation ; Fkesnel on the colors produced in homogeneous fluids by polarized 

 light; Jamin on Metallic Reflection; Dove's Researches on the Electricity of In- 

 duction. 



Transactions of the Entomological Society of London, 4th part of 4th 

 volume. 5s. The 5th part, completing the volume, will shortly appear. 



Report of the Sixteenth Meeting of the British Association, Lon- 

 don. 15s. 



Catalogue of 47390 stars for the beginning of the* year 1800, from the observa- 

 tions of Lalande in the Histoire Celeste; reduced at the expense of the British As- 

 sociation for the Advancement of Science, under the immediate superintendence 

 of the late Francis Bailev, Esq. London. 1847. 



Catalogue of 9766 stars in the Southern Hemisphere for the beginning of the 

 year 1750, from the observations of the Abbe de Lacaille, made at the Cape of Good 

 Hope in the years 1751, 1752; reduced at the expense of the Brit. Assoc, under 

 the superintendence of the late Prof. Henderson. London, 1847. 



6. Johnston, M.D.: History of British Zoophytes. 2d ed. London, 1847, 8vo, 

 «• 2s. ) or large paper, royal 8vo. AL As. 



H. C. Watson : Cybele Brittanica ; or British Plants and their Geographical Re- 

 lations. 8vo. London, 1847. 



G. Munby : Flore de V Aigerie. pp. 120, 6 pi. Paris, 1847. 



W. Engelmann : Bibliotheca Historico-Naturalis ; Verzeichniss der BOcher (iber 

 Naturgeschichte welche in Deutschland, Scandinavien, Holland, England, Frank- 

 re 'ch, Italien und Spanien, in den Jahren 1700-1846 erscheinen sind. 8vo. 

 **fyzig, 1847. Erster Band.— -A work of great value. 



J- Berzelius : Jahreschericht Qber die Fortschritte der Chemie u. Mineralogie. 

 Translated from the Swedish. Gr. 8vo. Tubingen, 1847. 



F. Kolenati: Meletemata Entomologica fasc. iii.and iv. (Caucasian insects.) 



^arge 8vo, with 6 plates. Petersburg (Lipsiag, Voss). 1847. 



P- F. de Siebold : Fauna Japonica. Pisces elaborantibus C. J. Temmmck et 

 "•Schlcgel. Decas xiii~xv, gr fol. Lug duni B a tax or urn, 1847. 



Pftoc. Amer. Philosophical Society, Philadelphia, iv,No.38. April, May 

 and June, 1847.— p. 327. On the reproduction of the Didelphis virgimana ; 6. D. 

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 «ar; S. C. Walker. f "' -- . . 1R _ 



P*oc. Acad. Nat. Sci. of Philadelphia, lit, No. 9. May and June, 1847.-- 

 P-210. Numerous minute crystals in the cellular structure of several species of 

 Amelia, supposed to be oxalate of lime ; J. Ltidy.-p. 212. Remark, on an abo- 

 r 'fnal cranium from the Western Mounds; ft G. Morton. -p. 2\ 6. Hydrarebua 

 g Dr. Koch acknowledged by Prof. Mailer of Berlin to be the Bmfimaraa of 

 «^lan and Zeuslodon of Owen.-A cutaneous -land near the root of the la 1 1 of 

 *• Fox emitting an agreeable odor, detected by Prof. Retzius, and considered by 

 ^characteristic of tbe genus Vulpes.-p. 220. Distoma Helic.s a mm ;£"*»- 

 011 from a Helix ; J. Leidy.—p. 221. Observations on a Mexican Quail, the Ortyx 



•qua-mata; J. W. Mert. ■ . . 7 1Q IL m 0I0 9U 



JW Boston Society of Nat. History, March, April, l w*~pp.~w<***' 

 P- Descriptions of Shells of the Exploring Expedition, (genera £°2|™!^ 

 ^va, Limnea, Planorbis, Physa, Melania) ; A. A Gauli.-p.2ri. O^™ 1 *™** 

 !°"ne analyses of snow -p. 2t8.-Dr. C. T. Jack son exhibited beautiful crystals 

 finders from the coppef works at Point Shirley, which proved ^^.^. 

 • b jy»phate of Copper and Zinc -Dr. Jackson described an intere % l "K"P^^" t 

 <? Mr. Blake at the gas-works, as follows :-« He placed a mass of compac fcld- 

 ** * a crucible, hermetically sealed, in a furnace flue at the ga a- works, w ere it 

 w «* exposed for 108 hours to a uniform temperature considerably below the degree 



