( ) 
drawing it through ones fingers from the Tayle to the 
head, you will find a great roughnefs s but if the other 
way, from the head to the tail, it fecms fmooch. 
5. Many, who have obferved this ^/^^^r;??, do take notice 
cf the difference of IVs extreams s how much larger one is 
then th^ other i but not well confidering the fetting on of 
the Joynts> abundance have been milled into an erron by 
taking the Head for the Tail : and fo have either mift of 
obferving > or miferably miftaken in the defcribing the 
Head. Thus Spigelius (t) makes the flenderer part of 
the body to be the Tail 5 but confeffes he could never ob-' 
ferve the head^ nor was he likely where he looked for if. 
Amatus Lufitamit (j.) makes the head to be white, and 
Verrticofum^ thence the body, he faith proceeded broad^ 
and grew narrower towards the T^a;^// which does fuflSci- 
ently JDhew hismiftake ; which I niuft needs take it to be > 
for in all I have hitherto obferved^ I conftantly found 
that extreani where the /feW isfetoii ("ifwe may allow ic 
to have any) much fmaller than the other i fometimes 
not half a quarter fo broad s in others leffer or greater 
often according ro the length of the Worm > Eut in all I 
take notice, if they are of any confiderable length, that 
the Joynts towards the head are vaftly fliorter, than to- 
Wclrds the tail. For in tone I have by me 34 foot long, 
there about five Joynts make aa Inch 5 whereas the latter 
Joynts here are above an Inch long; but infome I have 
taken out of dogs^ there were 30 cr 40 fometimes above 
60 Annuity which towards the Heady did make up but 
the length of an Inch; vi^hereas towards theT^^/6 or 7 
Joynts did equal that meafure and fometimes 3, fo that 
gradually xht "joints feem to encreafe both in lengthy and 
widenefs, as they approach the Ta;ih But withall it muft 
be obferved, that according to the Corrugation or exten- 
(e) Vt Lumbrko Lato cap. p. u. 
CO Curat* ^cdk. Cm* 6iCfim, 74* 
