HEL | 
| Their capital was called 4/be, according to Pliny. Their 
8 
country correfponded to the prefent Vivarais. : 
HELVIR, in Geography, a town of Curdiftan; 10 miles 
N. of Amadié. 
HELVOETSLUYS, in Geography, a fea-port town 
of Holland, on the S. fide of the ifland of Voorn, with a 
good harbour, about 12 miles from the open fea, in the 
middle of a large bay, capable of holding the whole fleet 
of the country ; the town is {mall but well fortified. This 
is the general port for packets from England, chiefly from 
the port of Harwich. In 1795, it was taken by the 
French; 15 miles S.W. of Rotterdam. N. lat. 52° 4/. 
E. long. 3° 58’. 
HELWELLYN, or HELVELLYN, a mountain of 
England, in Cumberiand ; the oe 
at 3324 feet above the level of the fea. See Mountain. 
HELWICK-Hzeap, a cape of Ireland, in the county 
ef Waterford, onthe fouth point of the entrance into Dun- 
garvan bay. N. lat. 52? 24 W. long. 7° 33’ from 
Greenwich, 
ELXINE, in Botany, a name ufed by fome’ authors 
‘for the parietaria, or pellitory of the wall. 
nerally taken, and which Dr. 
mon throughout Greece and the Archipelago. Diofcorides 
jottly fays that it grows on banks and walls 3 that the ftems 
wre fender and reddi i i 
the little feeds, about th ftem, rough, adhering to people’s 
eloaths.”? 
~ Limeus in his earlier editions had a genus Helxine, which 
‘comprehended the Fagopyrum of 'Tournefort ; but he after- 
‘wards, with unqueftionable propriety, reduced it to his very 
natural genus Polygonum. : 
HELYOT, Perer, in Biography, a French friar, of 
the third order of St. Francis, was born at Paris in the 
year 1660. He embraced the ecclefiattical life in 1683, 
when he took the name of father Hippolytus. In the courfe 
of his miffions he made two journeys to Rome, and travelled 
over the whole of Italy. In that country he projected, and 
‘made pore in a confiderable work, entitled «* A Hiftory 
both fexes, which 
_ fuppreffion, or reformation, 1 unde 
or reformers, illuftrated with engravings of their different 
habits.” He was eleGed to feveral im t pos of his 
work. In 1714 he beganto print 
not live to fee finithed” Hedi 
vo. 3 i r 
Helyot was 
author of fome devotional pieces, of which the molt known 
wentiled * A View of the dying Chriftian,” ~~ Moreri, 
of which is eftimated _ 
—«Uindnefe, which ap 
-  ufed thefe terms in the contrary, nk 3 conli 
7 HEM 
HEM, a partition in the ovens, 
naris, or calamine,is baked. Thefe ovens have a hearth made 
on one fide, divided from the oven itfelf by a partition, or: 
hem, open at the top, by which the flame pafles over, and. 
fo heats and bakes the calamine. 
HEMARTHRIA, in Botany, fo named by Mr. R, 
Brown, from syssv:, half, and apIpovy a joint ; a genus eflae 
blithed by that ingenious writer in his Prodromus Nov, Holl 
Vv. I. 207, and coniifting of fuch fpecies of Rottbollia, as have 
the rachis or common ttalk of their {pike but imperfeéHly 
Jointed, fo as {carcely to fall afunder when ripe. One fpecies 
1s R. Comprefa, Linn, Suppl. 1143 another, found in Van 
Diemen’s land, is named by him /f. uacinata, from its inner 
glume being hooked, 
HEMATITE Red, Brown. See Ironstone, red, brown. 
HEMDA, in Geography, a town of Perfia, in the pro- 
vince of Irak ; 80 miles E. of Ifpahan. 
wherein the lapis calamls 
columns on each fide, and two half-columns, with fquare ca- 
pitals, varioufly fculptured, and fupporting round arches, 
having plain, zig-zag, and billetted mouldings. ‘The town 
was incorporated by Henry V 
mon feal and a 
The market, 
- HEMERALOPIA, in Medicine, fignifies, in the wae 
of the bett ancient authors, day-tlindnefs ; that bee Polaco 
of the eyes, which renders vifion extremely imperfect are 
the day, although after fun-fet that fenfe becomes tolerably 
perfeat. : 
This affection of the fight, which is of very rare eggeaees Pa 
ftands in oppofition to the ny@alepia of the ancients, or wig. ini 
rs to be a very common diforde ha : 
dern. writers in. ge ; howevers a 
nee 
warm climates, 
