354 DR. C. F. SONNTAG ON THE ANATOMY, 



processes. Its broad, flat tendon is attached to the ilio-pectineal 

 line close to the emergence of the femoral vessels. 



The iliacus arises as in Ma,n. It is quite continuous with the 

 quadratus lumborum, and it soon fuses with the psoas magnus. 

 Its fibres envelop the psoas from each side. The psoas magnus 

 blends more with the iliacus tha,n in Man. It arises from the 

 last dorsal vertebra, the inner inch of the last rib and the bodies 

 and transverse processes of all the lumbar vertebrae. The com- 

 bined muscle is inserted into the small trochanter and the 

 femoral shaft a little below it. Half of the muscle (mesial part) 

 passes over the ilio-psoas tendon and is inserted into the bone 

 posterior to the latter. 



The sartorms has a large fan-shaped aponeurotic origin from 

 the anterior edge of the ilium up to a point a finger's breadth 

 below the anterior superior spine. Superficial to the aponeurosis, 

 but connected to it by fascia, is a long, narrow fascial strip 

 connecting the muscle to the anterior superior iliac spine. The 

 strip is connected to the crural fascia and fascia over the 

 abdominal muscles, thus forming a tunnel for the ilio-psoas. 

 The comparatively slender muscle is inserted into the upper 

 third of the anterior border of the tibia from the attachment of 

 the ligamentum patellse downwards. Strong fascia unites it to 

 the inner tuberosity of the tibia and the internal lateral ligament 

 of the knee. Between it and the subjacent gracilis is the 

 saphenous nerve, but no bursa. 



The gracilis and adductor longus (text-fig. 36, Gra. and Abd. 

 Long) arise by a common aponeurosis from the inner end of 

 Poupart's ligament, the entire length of the side of the symphysis, 

 and upper third of the descending ramus of the pubis. No other 

 author describes a precisely similar origin. And the origin 

 conceals the adductor magnus. The adductor longus occupies 

 the greater part of the aponeui-osis, and its fibres approach closer 

 to the bones ; it is inserted into the third quarter of the back of 

 the shaft of the femur, and it is fused with the magnus. 

 Hepburn (24) describes it as arising by a rounded tendon, and 

 Humphrjf (36) gives its origin as the spine and inner half of the 

 horizontal ramus of the pubis. The gracilis is inserted into 

 the inner aspect of the tibia behind the internal lateral ligament. 

 It is fused wibh the subjacent semitendinosus and the fascia over 

 the inner head of the gastrocnemius. Gratiolet (22), Ohampneys 

 (11), and Hepburn (24) give more extensive origins for a separate 

 gracilis. 



The adductor magnus (text-fig. 36, Add. Mag) arises by three 

 heads from the pubis and ischium, and it is inserted into the 

 upper three-quarters of the back of the shaft of the femur. The 

 upper head arises from the entire length of the body of the 

 pubis : the middle head from the arch and ischial tuberosity : 

 and the lower head from the tuberosity. The upper and mid 

 heads unite to form a thick muscle inserted into the femoral 

 shaft. The lower head runs separately to the adductor tubercle, 



