* — 
é Some 
ting reece! on fed yf 
eet o 
HELIX. 
HE etribe or genus of the Linnean helices, to 
— by the pate of moft writers, the name of helix is 
ained, confifts of thofe fhells that are fub-globofe or or- 
; bicahy, with the fpire convex or conoid ; and the aperture 
entire, and roundifh, or fomewhat lunar. Thefe are ufually 
divided iato two or three families, accordin g to the form 7) 
the fhell, as conic, globofe, and fub-depreffed. The 
of ene fe€tions is exemplified by the Aclix elegans (Gualt. 
tab. 1. fig. 0.) ;—the fecond by helix varidbilis, Gualt. ifa- - 
soe Miill’, ; and: pomatia, nemoralis, and grifea, Linn. ; 
— the Linnzan fpecies algira, ands allo hifpida and eri- 
is a — eftablithed mi 9 oF upon a 
nl ee deferibed by Lifter. (Tab 59.) The 
of this kind is fub-globofe, the doses en al, femi- 
Heuirs 
d with an operculum ; the pillar lip callous, and | 
_ re 
“ Aaweurn ania isa genus formed of the {pecies helix am- 
Lamarck, and which feems to form an interme- 
diate tribe between the true helices and the new ly inftituted 
genus Bulimus. The charaéter confifts in t being 
lobofe, ventricofe, umbilicated at the bafe, without any 
callofity at the left mains and having an opening entire, 0 
greater length than breadth. 
Butimus has an oval or oblong hell, with the lait whorl 
he openin 
of the fpire much larger than the one preceding g 
entire, of greater length than breadth, and ‘pillar lip 
hand not truncated at the bafe. The Gmelinian helix 
ium is faid by Bofc to e of this genus. Bulimusis a ge- 
an opera by ae 
oy rea is a 
— 
under the nam ‘of 
Md. = authors divide thefe into two families, according 
to the ight of the fpire. "The Linnzan helix ftagnalis, and 
bulimus auricularius of Bruguiere, (helix auricularia, Linn. ) 
= both of this genus 
‘Me ena is npued by the turrited a oe 
; ning being entire, 0 en: than 
breadth, oie he bafe, and the villar lip without 
plait or ton This ba is elucidated by the helix amarula 
of Linneus; melania of Lamar 
Pi ae contains fuch of the Linnzan helices as are of 
a “Sigman form with either the fpire low, flat, or depreffed ; 
Opening entire, and of greater ~~ than breadth, 7 
This is a us propofed 
adop ted by Da propo 
~~ Linnzan flat frefh water _— as cornea, we 
op appertain to this 
nd afterwards 
as. we 
form an atuproved srrangement of the fpecies memeenne 
ve genus. of the ab erreftrial, 
py plants, oth ae aquatic, 
Stic cemainder 
ck, and bulimus of Bru. /; 
etained, were " in Bass nor ere to 
that feed on 
others, and thofe efpecially that are natives of diftant climes, 
are totally unknown, Re Wf not all the animals of this 
ae unite in each in 
The ee ontanae till the 
for este 7 exhaufted of thele offenfive weapons, a 
a perfect reconciliation and union takes place. The 
are about the fize of peas, and eGtly round. (Bat, 
Shells, &c.) erga fimilar to this is obfervable in the 
courtfhip of other fpecies. ‘There are fome,- however, in: 
which a difference of manners is perceptible in this refpe@, 
none are fo. remote as to afford any reafonable 
for believing they aphrodite. ‘The, 
Is of the globofe land es or fnails, are ° familiar 4 
Tequire particular defcription. Thofe 
(all which are of the aquatic — have the head fornifled 
with two flat tentacula, having the eyes placed at the ianer 
bafe ; two triangular ears, and the feet Pall. a the pla« 
norbis which are alike aquatic, the animals have two long 
filiform horns, at the inner bafe of which are placed the 
eyes, and their feet are ample. 
The following” difribution of the helices, ia which they 
are confidered after the nzan manner, as conflituting 
oa a fingle genus, is cc aded in conformity with the a, fi 
ment adopted in the Gmelinian Syftema Nature. 
though 
gro 
pi 
Species. Bee 
* Shell roundifb, and without umbilicus or lo hiater ne 
Horrensis. Shell imperforated, — pale with 
broad interrupted brown bands; lip w Donov. | 
Shells. Cochlea vulgaris, Da Cofta. Helix bortenfis, Penn. 
HH. he » Maton and Rackett Linn. Tranf.— Helix lu. 
corumy Pultney. —Helix afpera, Montagu.—Common garden 
nail. : ae 
common variet is fo. familiar, 
of garden 
that it would appear fuperfluous to enter into its ‘defcription 
ith mi nut 8; there are, eg ss" ihallamcre 
deftruétive in orchards an 
fome confum 
- NemoraLis.. Imperforated, fub-rot 
and banded t ro 
x 
* 
all kinds of mepeiiee) and are tio oe 
