= (254) = 



poftca, vbi aortnm apcriii, cxpcricntia, oflcam oflc, ca rationcj 

 vr cx variis frullnlis ollcis , mcnibrana aorrac interna intcr fc 

 cohacrcntibus, orbiculi conflcnt, quo rigidam ta<ftui «.iuranuiue 

 particulam offercntcs plicari tamcn quudammodo in fcdibus 

 nonnuUis potcrant. 



Latcri finiftro aortac fimilc oblongum fcd minus pro- 

 tubcrans vallum inildcr. Hoc fola tamcn rigiditate ct aliqua 

 folira maidri cran-ric pnrictis aortac in bac lcdc cfficitur. Op- 

 pofitum boc infigni latcris dcxtri protubcrantiac mai^nam val- 

 lem mcdiam, fcu partcm parictis molliorcm coliapfam, finilk- 

 rius, Yt illa protuberantia dcxtcrius, includit. 



Hacc fijre funt , quac cx facie fua antcriori tubcr no- 

 tabiiia oflendit. Pollcriorcm intucnti cadem ferc mirabilis mo- 

 lis huius, aortam rcpracrentantis, figura occurrit, curuo craflb- 

 quc ct inacquali latere dcxterius circumfcript.ae, finiflcrius re(f^o 

 tcrminatae, ■vcrfus fupcriora paulnium excanatac. Vailis quo-- 

 quc, qualcm in antcriori lupcrficic effc dixi, mcdiam hanc tn- 

 tam pofleriorcm (upcrficiem occupat , qua paries fcilicct aor- 

 tac, tcnuior cactcris Ibdibus, collapCus cxiftit. Eadcmquc pro- 

 tuberantia, quae latcri dextro tubcris in antcriori facie infidct, 

 in polleriori quoquc , iisdcm fuis fupcrius dcCcriptis tubcrculis 

 infignis, apparct, vallemque includit; quemadmodum ct finillc- 

 rius aliqua cmincntia eadcm vallis termiuatur. Vt in mcdia 

 fua facic anicriori ct in nicdia poflcriori cri;() tcnucm a(Mta 

 mollcmque pnrictcm habeat, (]ui collapfiis in fcdibus iis vallcs 

 magni tubcri"» cfiicit , in dextra et (iniflra curuatura incraflHita 

 contra protubcrantias varias ct tubcrculu producat, valicm iu 

 vtraque fuperficic oblidcntia. 



In 



