Q]^ PHILOSOPHICAL TRANSACTIONS. [anNO 1 693-4. 



on the ground, without crushing 20 or 30 of them : being opened, there was 

 nothing found within them but grass. The place was on a hill in the parish of 

 Maen-clochog, above Hynnon Dhewi : they went as it were with one accord 

 up the hill, and over the same a quarter of a mile and more: in their way they 

 devoured and consumed the grass, that the ground appeared bare and red like 

 fallow. After they had continued three weeks, there resorted thilher an infinite 

 number of sea-mews and crows, which in a few days consumed them all : the 

 swine also fed upon these worms (insects ?) eagerly, and became very fat, &c. 



On the burning of several Hay-Ricks, by a Fiery Exhalation or Damp : and 

 of the infectious Quality of the Grass of several Grounds ; from the same. 

 N° -208, p. 49. 



I am wholly intent at present on giving you the best account I can of a most 

 dismal and prodigious accident at Hartech in this county (Pembrokeshire), from 

 the 24th to the 30th of Dec. 1 693. It is of the unaccountable firing of 16 

 ricks of hay, and two barns, one full of corn, the other of hay. I call it un 

 accountable, because it is evident they were not burnt by common fire, but by 

 a kindled exhalation, which was often seen to come from the sea and lasted at 

 least a fortnight or three weeks ; and annoyed the country, both by poisoning 

 the grass and firing the hay, for the space of a mile. It was a weak blue flame 

 easily extinguished, and did not in the least burn any of the men who inter- 

 posed their endeavours to save the hay, though they ventured not only close to 

 it, but sometimes into it. All the damage sustained happened constantly in 

 the night. There are three small tenements in the same neighbourhood, where 

 the grass is So infected, that it absolutely kills all manner of cattle that feed on 

 it. The grass has been infectious these three years, but not thoroughly fatal 

 till this last. 



Jan. 10th, 1693-4. 



Part of a Letter to Dr. Clapton Havers, S. R. S. giving an Account of an extra- 

 ordinary Hemorrhage at the Glandula Lachrymalis. N° 208, p. 5 1 . 



Since my coming to this place I have met with a very strange case. An hie 

 terical discontented woman having a desire to die, wholly rejected the help of 

 medicine, and within 3 months being near her end, there happened an erup- 

 tion of blood out of the glandula lachrymalis of one of her eyes, without any 

 external injury ; there was an evacuation of 2 lb. of blood within the space of 

 30 hours. About a week after the same sluice was opened again, and she bled 

 till she died. 



