The Annals and magazine of natural history; zoology, botany, and geology . o [ Marsupialis internus Jr Gracilis ] 4. \ Pectineus I 3-22 oz. 106° [ Adductor brevis J 5. j \f^^^ f^^^^^ I 1-79 oz. 125- [ Adductor longus J 6. Obturator externus 0-97 oz. 149° ^?{IZL ^ 4-87 oz. 23 J Quadratus femoris 1 , ^,oa -i njc \ Extensor femoris caudalis J r Biceps femoris 8. \ Semitendinosus ^ 4-49 oz. 217° [ Semimembranosusf Glutaeus maximus 1 9. \ Glutaeus medius l 4-09 oz. 266° [ Agitator caudse J 38-62 oz. av. In the preceding table I have reckoned gracilis in the sameazimuth with pectineus and ad
The Annals and magazine of natural history; zoology, botany, and geology . o [ Marsupialis internus Jr Gracilis ] 4. \ Pectineus I 3-22 oz. 106° [ Adductor brevis J 5. j \f^^^ f^^^^^ I 1-79 oz. 125- [ Adductor longus J 6. Obturator externus 0-97 oz. 149° ^?{IZL ^ 4-87 oz. 23 J Quadratus femoris 1 , ^,oa -i njc \ Extensor femoris caudalis J r Biceps femoris 8. \ Semitendinosus ^ 4-49 oz. 217° [ Semimembranosusf Glutaeus maximus 1 9. \ Glutaeus medius l 4-09 oz. 266° [ Agitator caudse J 38-62 oz. av. In the preceding table I have reckoned gracilis in the sameazimuth with pectineus and adductor brevis, because the re-sultant of its two heads lies in this line. The fixed lines of the muscles of the shoulder-joint, com-mencing with the triceps longus, which is in the plane ofmotion of the elbow-joint, from left to right (on left side ofshoulder), may be arranged as follows:— Anatomy of the 291 ?{ Triceps Teres dorsiSubscapularis . .Pectoralis majorPectoralis minorBiceps humeri. Deltoideus Spinati ,. Total 15-71 The resultant moment of latissimus dorsi and subscapularispasses through a line coinciding almost exactly with the lineof teres major; and these three muscles are intimately asso-ciated in their action. If we arrange the pelvic and scapular muscles in parallelcolumns according to their admitted relationships, we shallobtain the following comparative table :— Comparison of Pelvic and Scapular Muscles. Pehic Muscles. Scapular Muscles, r Rectus femoris I ^o -, J Sartorius j • • • • • j Iliacus I 230 [ Psoas magnus J2. Marsupiales 45° rGraciUs ] I Peetineus l ;( Adductor brevis J I Adductor magnus 1 1^Adductor longus J 4. Obturator externus p. f Quadratus femoris 1 ? ( Ext. fem. caudaUs J f Biceps femoris 1 6. \ Semitendinosus j- 217°[ Semimembranosus J 7. Glutei 266° 106= 125°149°194° Triceps humeri 0° Teres major 2° Subscapularis —14° Latissimus dorsi . .. +14°Wanting. 3
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