in the Skulls of Animals. 325- 



of sutures comprehends and accounts for those 

 concomitant' circumstances, which were con- 

 sidered by older anatomists as their real use ; 

 and as far as (J can see, is not contradicted by 

 any fact connected with them. 



of it to me, it has n6t been thousjht improper to give tins 

 essay a place in these Meraoiri. But whilst the reader wilL 

 see, by the following quotation, the near resemblancer 

 between the opinion of Processor Soemmerringand tha 

 which I have brought forward, I hope the character of 

 pbgiarisl or compiler will not be attributed to mo. 



" Usus horum sic seae habentium terniinorum os«:a 

 cranii inter bene liquet. 



* ** Incrementum ambitus calvariie levant, ni enim inter 

 " ossa capitis mox post partum suturae interponerentur, 

 *' baec crescere non possent, nisi alia ratione natura rem 

 " institueret. Tali igitur modo incrementum calvaMie 

 '* cum incremento reliquorum ossium convenit ; initio enim 

 " suturis, vel potius lineis cartilaginosis ossa iis locii con- 

 <' glutinantur, verum tamea non nisi in embrionibus ad 

 " fonticulos, ut aiunt, haec linea notabili lutitudine, 

 *' observatur. Ossibus enim capitis hie locorum cerebri) 

 " CI escente, placide quasi diductis, cartilago augetur, latior 

 " evawra, nisi pristina pare simul in os mutavetur, inde 

 ** ossa calvariac, eodem modo, quo ossa longa diductis 

 ** epiphysibus, vel quod unum idemque est, raarginibus 

 ** crescere, liquet, etsi in ossibus, longis sutura epiphyscjs 

 " inter et diaphysin non crispetur. 



•* Quo junior igitur infans, eo minus crispa et implexa 

 *' sutura, vel ut rectius locjuar, linea cartilaginosa angusta, 

 " ossajungens, observatur. Quum vero aucta tctate ossa, 

 ** crescente cerebro, diducuntur, eorumque crassituiio, 

 ** adpoSita ^um hiterns?, turn externaB potidsim.uiu tabulae, 

 ss 2 



