91 [EeME. 
infancy, adolescence and age; phenomena of 
vomiting described.—Of sea-sickness. 
This may be a proper place to take some notice 
of nausea maritima, or sea-sickness ; an affection 
attended with much vomiting at times. 
Having drawn up some account of the phenomena 
-of this affection when at sea, I subjoin them here 
from my notes to Gregory on Climate. It will — 
enable you, should you enter on practice without. 
having experienced or witnessed this affection, to 
know in what cases sea-sickness may - 
ed to as a therapeutic agent. 5 
_ ** When a person goes to sea for the first time, he 
is commonly affected immediately upon his coming 
into blue water, as sailors term it, with slight gid- 
diness of the head and a sense of tightness across 
the forehead ; considerable and distressing nausea ; 
a sense of motion in the stomach, and soon after 
violent, copious and convulsive vomiting... These 
effects generally continue for a few days, during 
which time they are most aggravated by an up- 
right position of the body below decks, and less 
severe while inhaling the free air on deck, and in 
an horizontal position of the body when below. 
The nausea is always painfully increased by the 
odour of cooked meats ; and especially by the dis- 
agreeable and peculiar smell of the bilge water 
pumped up ata regular hour, every evening. The 
odour from this putrid water is so nauseous and — 
subtle, that it insinuates itself into all parts of the — 
vessel: and while its power on the surrounding air 
is at its height, it equally affects with disagreeable 
feelings, the veteran seaman and the tyro in sail- 
ing, producing on the latter however, infallably, 
the most violent and convulsive puking. ‘The mo- 
tion of a vessel through the water is vehement, 
H 
all oe 
