( ) 
moved by parts ; and indeed every Spine is rivetted Into 
• its proper Cruft, which alfo by confequence muft have 
its peculiar Mufcle, that guides the motion of the Spine, 
whereby the Animal rolls about which way foever it 
pleafts. It being peculiar to this Tribe of Animals 
tlone, for any thing yet known to the contrary, that 
its progreffive motion is by turning or rolling upon its 
SpincSy and not walking as all Animals, that have Feet, 
properly do. Which Motion of theirs (if we (3.) may 
believe Monfieur Menage ) has given occafion to an 
old French Proverb, a la venue des CoquecigriieSy i. c. 
when Echini walk^ by which they would intimate, that 
that particular thing concerning which it is made uftof, 
lhall never come to pafs. 
Befides, it is plain by ocular Infped:ion, that all the 
Crujls of thefe Animals are united hy Membranes , as 
they are in Crah and Lohfters. Scilla s Draughts, (bme 
whereof are here annexed, put this Matter out of 
doubt ; from which it evidently appears, that Echini 
are properly crufiacems Animals \n the ftrifleft accepta- 
tion of the word. 
( c) pag. 188. By Vegetalles he means Sulftances^ 
which encreafe from praexiftent SeeJj as all Plants and 
Animals properly do. 
pag,i%^. This will be fully underftood, if one 
confults Stenos Anatomy of a Sharks-Head, which is 
annexed to his Elementorum Myologice Specimen. 
Qe) pag, 190, Thtk Lapides Judaiciy which Signior 
Scflla often calls Baftoncini di San Paolo^ or St. PauPs 
BatoonSy are Spines of fome Species of of which 
he gives the Figures, which are not found upon our 
Shores, and are Cperhaps ) of thtVelagian Tribe. 
(^^.y Diiiiom^ire Etymologique, v.Copeeigrne. 
CD 
