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PER I'lUMlXEKTO 



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di Londra 



Tijdsehrift voor de v*is- en natuurkundige Wetenschappen , uitgegeven 

 door tie eerste Klassc van net Koninklijk-Ncderlandsche Instituul van 

 Wetenschappen, Lettcrkunde en Sehoone Kunsten. Tweede deel. Afle- 

 vering 3.*-4-' Derde deel. Aflev. i.'-/\.° Amsterdam, i84c)-i85o, 8." 



Jaarboek van het Koninklijk-Ncderlandsche Inslitimt van Wetenschappen , 

 Lettcrkunde en Sehoone Kunsten, voor i847-t85o. Amsterdam, Midler. 

 i847-i85b, 8.° 



Proceedings of the Academy of natural Sciences of Philadelphia. Vol. W . 



N.° 10. Philadelphia , i84<) , 8." 

 The transactions of the Royal Irish Academy. Vol. XXIT. Part. I. Dublin. 



(nil, 1849, > vol., 4.° f.g. 

 Proceedings of the Royal Irish Academy. Vol. III-IV. Dublin, Gill, 1847- 



1849, 8.° 6fr 

 The Quarterly Journal of the Geological Society , edited by the Assistant- 

 Secretary of the Geological Society. N. ' :>.o-a4- London , 1849- 



i85o, 8." 

 The Quarterly Journal of the Chemical Society of London, edited for the 



Society , by Edmund Ronalds. N. 0! VII-TX. London, Sclud/.e and C, 



1 8.:, )-.")(!. 8.° 

 Mnnoircs de la Sociele des Sciences , de 1'AgricuIture et des Arts de 



Lille. Annees 1847-1848. Lille, Danel, 1847-1849, 8.° fig. 

 The Journal of the Royal Asiatic Society of Great Britain and Ireland. 



Vol. M. Part. I, Vol. XII. Part. I-II. London, i849-i85o, 8." 

 Philosophical transactions of the Royal Society of London for the year 



.SjS. Part I-II; 1849, Part - T London, 1848-1849 , 4. fig. 

 Proceedings of the Royal Society. N. 01 69-72. 1847-184,8, 8." 

 The Royal Society 3oth November 1 847-1 848, 4" 

 Addresfl of the most noble the Marquis of Northampton , the President . 



read at the general meeting of the Royal Society, on Tuesday, June 



gth , 1848. London, 1848, 8.° 

 Transactions of the Royal Society of Edinburgh. Vol. XVI. Part. V, for 



the session 1&48-49, Vol. \I\. Part. I. Edinburg , 1849, 4-° fig- 

 Proceedings of the Hoyal Society of Edinburg. N. 0! 33-34, 1848-49, 8." 

 Report i'l tin' eighteenth meeting of the British Association for the ad- 

 vancement of Science ; held at Swansea in August 1848. London. 



Richard and Taylor, 1849, ' v °l. , 8." 



