OBSERVATIONS 



IN 



NATURAL HISTORY: 



WITH AN INTRODUCTION ON 



HABITS OF OBSERVING, 



AS CONNECTED WITH THE STUDY OF THAT SCIENCE. 

 ALSO A 



CALENDAR OF PERIODIC PHENOMENA 



IN 



NATURAL HISTORY; 



WITH REMARKS ON THE IMPORTANCE OF SUCH REGISTERS. 



BY THE KEY. LEONARD JENYNS, MA., F.L.S., ETC., 



VICAR OF SWAFFHAM BULBECK, CAMBRIDGESHIRE. 



Multa enim in raodo rei, et circumstantiis ejus, nova sunt, quse in genere 

 ipso nova non sunt : qui autem ad observandum adjicet animum, ei, etiatn in 

 rebus quee vulgares videntur, multa observatu digna occurrurit. BACON. 



LONDON: 

 JOHN VAN VOORST, PATERNOSTER ROW. 



M.DCCC.XLVI. 



