— 123 — 
^aana TynoKOHH^ecKOH roaoBii coAepjKHTca bx a^hh^ Bcero 
rfeaa 5 pa3x, nan hohth 5 pa3L, BtimuHa roaOBti coCTaBaaeTx 
okojo 2 / 3 , a mapaHa ea HeMHoro 6oaLme V 2 ea a^heei. Tyuosa- 
KpyraeHHoe puao odriKHOBeHHO He Bnojml} 3aKpHBaeTX co6oa 
HH^Hefi aeaiocTH, Koropaa npaMlsTHO o6pam,eHa KBepxy h npa 
Bepnmefc o6pa3yeix He6oaLmoS 6yropoKx; sarnie yran pTa npa- 
xoAaxca noaTH nporaBX nepe^Haro Kpaa raa3x. ^iaMeipx raa3a 
CO^epJKHTCa B'L AaHH r k TOJIOBH OXX 4V 2 AO 5V 2 pa3X H OXX l 3 / 4 AO 
2 pa3x b'l mapaH-fc MejKAyraa3Haro npoMeatyTKa. Pa3CToaeie 
otx BepmHHH paiaa ao nepeAHaro Kpaa raa3a npaM^THO 6oaLme 
raa3Haro Ai^Meipa, ho noaTa B'L 2 pa3a MeHLrne, HejKeaa pa3CToa- 
nie otx 3aAHaro Kpaa raa3a ao 3aAHaro Kpaa jKadepHoa kpliihkh. 
CnnHHOH naaBHHK'L koco ydfcaeHX nan caerKa 3aKpyraenx h 
H aaaao ero npaxoAHTca HeMHoro no3aAH ocHOBaHia dpioniHLixx 
naaBHHKOB'L, npoTHBx 18-oa aernya 6 okoboh aama; BLiniHHa ero 
cocTaBaaeT'L ot'l % ao 3 / 4 a^hhe! roaoBH h hohth bx lV 2 pa3a 
/ 
6oaLHie ajhhli ero ocHOBaHia; Bum HHa xpexLaro ay a a ero bx 
l 3 / 4 pa3x 6oamie blihihhli OKOHeaHaro ayaa. 
IIoaxbocthlih naaBHHKx HeMHoro Haste cnaHHaro h BcerAa 
dHBaexx npnMl>THO 3aKpyraeHx; A^aHa ero ocHOBama paBHaeT- 
ca ocHOBaHia cnaHHaro naaBHHKa. Xboctobmh naaBHHKx 
BLieMKOio, He oaeEL BnpoaeMX ray6oKOio, pa3A r fcaeHx Ha ab^ 
paAna, 3aocTpeHHLia aonacTa. ^aaHa caerKa-3aKpyraeHHLixx 
rpyAHJuxx naaBHHKOBX H^CKoaLKO 6oamie bhhihhli cnaHHaro 
naaBHHKa a coAepjKHTca bx a^hhIj Bcero T^aa otx 672 noaTH 
AO 7 pa3x. Bpionrarie naaBHHKa npaM^rao Kopoae rpyAHuxx a 
npaM-feTHO He xBaiaioTx ao 3aAHaro npoxoAa. 
BoKOBaa aaHia hotth napaaaeaLHa npo({)aaa 6pioxa. IIpo- 
AoaLHriii AiaMeTpx aemyeKx eABa ToaLKO 6oamie nonepe<raaro 
AiaMeTpa a HeMHoro MeHLrne A^Mexpa raasa. BriHie 6 okoboh aa- 
Hia Ka®A^a OTjvLiLHaa aemyiiKa npa 3aAHeMx Kpa r fc OKaaMaena 
ciipoio, narMeHTHOio noaocKoio. IlaaBHHKH cnanHoa a xboctoblih 
6a r IjAHodjpLie, bcI* Apyrie 6a4A H oateaTOBanje. 
CocTaBaeHO onacanie no 6 caapTOBLmx 9K3eMnaapaMx, a*ih- 
