178 



VA1MATIOX. 



[PART i. 



are nm.-li raivr. l.ut in several instances they have attained a consiilt-rablr 

 .|i-v.-l..j.in.-iit. < f tlii> class of variation the f..llu ini,' well-kn)\vn case 

 tin- ni"-t n-markaUf. 



- HIM- 



14-5 A healthy female iiifiint was brought to Ciuy's Hospital in 1851 on account of 



Og ;_'io',vth- about tin- middle of the lateral cervical region-. The 



i i.'in..ved until February Is.-.s, when they were found to have 



i,,,,, i ... , situated over about the centre of the sterno-cleido- 



jna-toid mil sell s. Co the 1 'h-y resembled the tissue of the lobe of tin- auricle, 



an. I tli- v contained within them a linn resist ins,' nucleus like the cartilage oi the 



Tli.-v w. ic also I with peculiarly delicate, soft, downy hairs. 



lik.' tli. lohe ..f ih" ear. They W.T.- excised without difficulty. Each was supplied 



with a Mnall artrry. Tiny appeared to be intimately associated with the fibres of 



tli.- pliity-uia m ..t' dippin- de, per than this structure, and to be entirely 



appendagi -. (Fig. 28.) 





l-'i... _'>. I'liild having a \vfll-dcvel.ped supcruimierary auricle on each side of 

 th- n.<-k i IP in I'.n.i.i 



itical Mcti.'ii WH- made in the Lui^' axis of cadi growth; and the tissues of 

 lli.' liilii< and ..t ill.' libn'-rai tilav'" 1 <>f the auri.-lr wen- dearly distinguished. The 

 -hap.' i >( tlic Qbro-oartilage resembled iimir i,\- less closely m parts, the outline of 

 the pi.'per auiiele, ami its ti.v-m > were the same. BlBKETT, J., Tninx. Path. Soc. 

 / and., a., I*.'.*, p. i ts. tig.'. 



-ii!)iei.-ni to suppo-e that aural fistula' arise by the imperfect union of these tubercles. 

 The fart, however, that th.-e various defects in development of the branchial 

 appaiatu- and iN del i\ at i\ .- ai v fre,|ueiitly a>^.oei:itet 1 t. ^'et her is well established. 

 A- indicating the freipiency of a--nciat inn with disease of the ear, Urbautschitsch 

 iinntioiis that in Jiion aural caseB, 12 iiistauc.'- of aural fistulfe were seen. The 

 -am.' author ^-ives a reiuai kalile ca-e of the occurrence of aural fistula on the riijlit 

 "iilij in many memhei - ..f the same family with other ini]iortant particulars (/. c.). 

 In Lancet, ]*"*. n. ]'. :'.'.i'.i (cpioting KAUVIV), and in a jiaper by VIUCHOW 

 HpiMtni^' \Vii.i. i i, .In-/;, ji.itli. .lii<it. I'lii/.*., lsi',1, x\ x . p. _'_'-". ivteivnce is made to a 

 Case "I" < V-I.I'.I.IIM, I'l-'ict. m.rtiix. (/ .n/rc in<>ii.-.tri I/inn., Norimb., Itlsj, pp. 3(5 



. i ciribing a child with "four ears." On referring to the original however 



il aj. p.ars that this was merely a double mon-ti r. having two incomplete heads, 

 and thus hears no analogy with the present examples. 



