374 Annual Report. 



There have been published, during the last year, two parts of 

 the Journal, edited at the Institution, of which one more is 

 required to complete a volume. The difficulties formerly 

 noticed, in regard to the means of publication, have not been 

 removed. 



II. As to Correspondence : the Institution continues its Cor- 

 respondence with the Natural History Society of the Mauritius, 

 and with the Zoological Society of London, and has ordered 

 that copies of the outlines of the Zoology of South Africa, as 

 far as it has been completed by Dr. Smith, should be transmitted 

 to these Associations. From the former of these Associations 

 the Institution has received copies of the 4th and 5th Reports 

 presented at its Annual Meetings, on the 24th August 1833, and 

 4th November 1834. These reports particularize the continued 

 progress and success of that Society in the various branches of 

 Natural Science which it has undertaken to investigate. The 

 following are among the notices which these reports afford. 



The results of Meteorological Observations during 1832 and 

 1833: the maximum of the hair Hygrometer was 100° on the 

 4th March in the former year, and 101° .5 in the latter, on the 

 4th November; the minima were in 1832 — 74° .6 on the 9th 

 July, and in 1833—77° ,7 on the 22d December. The greatest 

 heat in 1832, occurred on the 21st January, at noon. The 

 centigrade Thermometer marking 32° .2. The maximum of 

 1833 was, on the 25th January, at 1 o'clock, the same 

 Thermometer marking 32° .8. The minimum was 15° in 1832, 

 on the 23d August, and in 1833—14° .8 on the 3d August. 

 The greatest and smallest atmospheric pressure rcsj»ectively, in 

 French inches, were, in 1832, 28 in. 6 lin. on the 1st August, 

 in the evening, and 27 in. 8 . 3 lin. on the 4th March, in the 

 morning. In 1833 — 28 in. 5 lin. on the 17th September, in the 

 morning, and 27 in. on the 22d February. In 1832, there fell 

 47 inches of rain, and in 1833, there fell 41 inches. 



In regard to Botany, the report notices that Mr. L. Bouton 

 had been successful in identifying many interesting plants of the 

 Mauritius with those of distant countries, and that Mr. Bojer, 

 in describing some new plants, had been under the necessity of 

 instituting a new genus, to receive an individual of the family 

 Cassieae of Decandolle, bearing a close analogy to the Poinciana 

 Regia of Bojer, The genus he names Colvillea, after the 

 Patron of the Society. Mr. Newmam had succeeded in intro- 

 ducing a new species of Anona, or Custard Apple, from 

 Peru, the A-Cherimolia, which he had propagated by grafting 

 on the A-Reticulafa ; finding that budding was the most 

 successful. He had also introduced some new species of Pine 

 Apples. The last report affords a hope that Messrs. Bojer and 

 BouTON arc about to employ themselves in formlDg a detailed 

 catalogue of the plants of the Mauritius, 



