Wherefore this Capitol Foot ought to be preferred unto the 
rude Draughts on the Monuments of the anaent ArcUteBs^ M. 
zy£hutms, T. StattUm^ and i n, Cojjutius , which laft is taken for 
the "verj Roman Foot by the honor of ourNation Dr. John 
Greases, Yet thi s, as well as the StattUan^ falls Ihort of the 
Caphol-Fofit by near k part of an inch, whereas the ^^hiuian is 
about as much too large- Moreover the ViUalpmdine Module^ 
argued loolely and inverfly from the Content of the V^j^afian" 
Congim^ exceeds by \ of an Inch the Captcime or True Roman 
Foot : for to this do precifely agree, fays our wife and experi- 
enced Author, the numerous Patterns and Remains of an- 
cient Architec^lure, that are daily dog up about the City. 
Soon after he gives a public Example of the Ca;kokne Foot^ 
telling us it futes exadily with the 73. of thofe cxxv» 
fpaces into which ViUd^andm divides his Semicircular Jnfiniment 
3 6' Comment in Ez^ech, Laftly, the Foot which Hie dolus offers 
us for Roman in his Ahnagtfi, p j-g furpaffeth the Ca- itolme by a 
full Digit, or h of the whole : and his other meafure Gee-'- 
graph. Reform,/, 34. by I^P^tt. But to return to our Aqua- 
du(5t, highly extoll'd by /^/^^^7, Plutarch^ Jman^ Fronmu '. and in 
this Claufe of Frot'ertiui^ zy£rermm Marcius humor of us. This Wa- 
fer taking its name from King Ancuy^ and as defervedly from 
FMius and ^^m-us^ in the fame Mar dan Family, 0^ ^m^^v uA-p 
}[gA yg.m<^Qv iv Pw^Jt y^.-m}ayQVTi^ ^ &c, arifcth not from thel^^«^-f FU' 
emus (whence tU^j and 5V^r/W would fetch it) but in the Crojje^ 
fath between the Fm P^akria and Suhlacmfis^ two miles fhort of 
Carulus and Curtms^ the Fountains of . ^//^c7^^^^//^:but obferves 
the fame Level witli the Claudian • becaufe it defcends more 
precipitate from the Origine. Yet within 5* miles of Rome the 
rJqMa Marcia runs 20 FoOt lower than the Aqm Claudia, But 
at 7 miles diftance frop Rome^ and at a mile and an half from the 
midway to Manno^ as Fahretti after Fronttnus exaitly meafur'dy 
tlie A fta Marcia is both purified and modtikd^ by falling into, and 
foon after rifing up from a long fquare Ftfcina or CiHem, 6 
foot deep, made of Flint, and cover d with a Net work^ by 
order of Hadrian the Emperor. Now the latter ufeof thefe 
FonJs or Cesferns , that fufflaminate the Current of the A- 
quadud:s, is frequently taken notice of by Frommus : fo that 
Signior his belov'd Probleme , Ex ^^eloatare aqu^s ff?odmn 
ejhs ruariare^ is not {o nev/ as lie pretends. 
The 
