'I HI SKI I. J. TON "1 J JH I "V. 





to be tin- least distincl of the three lines. I 



gluteal line- L r i\c- origin i<> the gluteus minim 



I he inner surfa< e <•!' tin- ala | Fig. 

 anterior one is slightly excavated and is known a- the ilia . while th< 



and i- further subdivided into twi , an antero-inferior one, th 



for articulation with the similarly named surface of ti mi, and a 



rough one, the tuberosity oj the ilium (Fig. . which corn 



surf Li rum. At the t> f the auricular surface thi 



a- the paraglenoidal gn I 



The Hun the middle of which i- frequently as thin 



remaining portions of the innominate bone (the body of the ilium, the pubis, and th< 

 a line which is continued upon the pubis and is known as the . 

 line forms a portion of the dividing-line between the true and the false pelvis, the . 

 pectineal) line, and sequently also known as the iliac- portion of the terminal lii. . 



The body oj the ilium forms the upper portion of the acetabulum or- 



tion of the boundary of the threat sciatic notch. It is directly continu ticularly u 



it.- inner surface, with the ala of the ilium above, and in the adult with the 1> 

 and ischium below. 



The pubic bone i> intimately connected by its body with the ilium and with the ischium, 

 and forms a portion of the acetabulum (see page 96 . At the junction of the l>. 

 and ilium there i- a low rounded elevation, the ilio pectineal eminena 1 . which 



to U)th bones in the adult after the ossification of the synchondros 



Passing downward and forward from the body of the pub: 

 three-sided superior ramus Fig. [35 . which is practically horizontal, and : 

 boundary of the obturator foramen, [ts anterior extremity, which al 



inferior ramus, presents an oblong surface, the symphysi Fig. for arti< the 



bone of the opposite side, and the anterior surface is directed forward at 

 one inward and forward, and the posterior one toward the interior of the Th< 



border presents a sharp edge, the crest of the pubis Fig. 1 ; ; . which repi ntinua - 



of the arcuate line of the ilium and is the pubic port: the iliopectineal line, 



minates anteriorly in a small projection situated about a h: 

 known as the tub <A the pul gs. 132 and 1 ; 



At the junction of the superior ramus with the body oi the pubis the Ivic 



surface of the bone presents a broad shallov idu- 



ally fades away as it inward upon the infer! 



The sharp ridge which forms the inner boundary of tin 

 Fig. 1 



The obturator groove is usually bounded in front and 

 the obturator foramen, the anterior obturator tut Fig. 1 ;; . am r boundarv is some- 



times furnished by a posterior obtui , which arises from the ischium and is also dire* 



. 



