A Forest Fire at St. John 2000 Years ago. 213 



3. A direct j)roportion between rate of propagation and 

 pressure within the external jugular vein could not be 

 demonstrated. 



4. Some of the waves, especially the presystolic and the 

 systolic, travel faster than others. 



Literature : 



(1) Gottwald, Pfluger's Archiv., Vol. 25, p. 1. 



(2) Gerhardt, Archiv. f. exper. Pathologie, Vol. 34, p. 402. 

 (.3) Friedreich, Deutsches Arch. f. klin. Med., Vol. 1, p, 241. 



(4) Fredericq, Travaux du lab. de Leon Fredericq, Vol. 3, p, 85. 



A Forest Fire at St. John about 2000 Years ago. 



ByG. p. Matthew, LL.D., F.R.S.C. 



The opening up of a bog deposit hear St. John has 

 revealed some interesting information about the physical 

 history of the region around the Bay of Fundy in past 

 ages, both antecedent to and contemporaneous with the 

 presence of man on its shores. Not the least notable is 

 the discovery that St. John was swept by a forest fire 

 about the beginning of the Christian era. 



Among the objects found in this peat bog are charred 

 twigs, and flakes of wood also charred, that have been 

 found at several points at a definite depth in the bog. 

 These objects are scattered over the surface of a certain 

 layer of the bog, where they are buried among unburned 

 twicfs, leaves of grass and other vegetable remains in a 

 partly decayed condition, but so little changed that their 

 brown color contrasts strongly with the jet black of the 

 burned twigs. 



From the way in which these light charred fragments 

 are buried among the unburned material it is inferred that 

 they were blown in upon the bog from the surrounding 

 hills. These hills being much drier than the bog, would 



