PLATE I. 



SHOULDER MUSCLES OF CROCODILUS ACUTUS. (From Bronn after 



Furbringer.) 



FIG. i. SHOULDER MUSCLES AFTER REMOVAL OF THE SPHINCTER 



COLLI MUSCLE (sphr). 



FIG. 2. SHOULDER MUSCLES AFTER REMOVAL OF THE SPHINCTER 



COLLI MUSCLE (sphc). 



FIG. 3. DEEP LAYER OF THE INNER SHOULDER MUSCLES AFTER 



REMOVAL OF THE HUMERUS AND ITS MUSCULATURE AS WELL 



AS THE COLLO-SCAPULARIS SUPERFICIALIS MUSCLES 



(cssp) AND THORACI-SCAPULARIS SUPERFICIALIS 



MUSCLES (thcsp). 



FIG. 4. SHOULDER MUSCLES AFTER REMOVAL OF THE PARS SCAP- 



ULARIS OF THE SUPRA-CoRACO-ScAPULARIS (sps) AND OF 



THE BICEPS MUSCLE (b). 

 FIG. 5. DIFFERENT VIEW OF FIG. 4. 



FIG. 6. SHOULDER MUSCLES AFTER REMOVAL OF THE PARS CORA- 

 COIDEA OF THE SUPRA-CORACO-SCAPULARIS (spc) AND DEL- 



TOIDES SCAPULARIS SUPERIOR (dss) MUSCLES. 



LETTERING FOR ALL FIGURES OF THIS PLATE. 



acs, ahl, ahf, asl, coraco-scapular, humerale laterale, humerale posticum. and scap- 

 ulare laterale externum heads of the anconaeus muscle; 6, coraco-antebrachialis 

 (biceps); c, coracoid; ebb, coraco-brachialis; cc, costo-coracoideus; Cl, clavicle; 

 cssp, collo-scapularis superficialis (levator scapula superficialis) : csl, capiti- 

 sternalis (sterno-mastoideus); cthspr, collo-thoraci-scapularis profundus (levator 

 scapulae and serratus profundus); cu, dorso-scapularis (cucullaris); dh, dorso- 

 humeralis (latissimus dorsi); dsi, deltoides scapularis inferior; dss, dorsalis 

 scapulae (deltoides scapularis supeiior); EC, epicoracoid; Esl, episternum; 

 esthy, episterno-hyoideus; H, humerus; hai, humero-antebrachialis inferior 

 (brachialis inferior); hr, humero-radialis; p, pectoralis; PL, processus lateralis 

 humeri; PA/, processus medialis humeri; R, radius; rh, rhomboideus; 5, 

 scapula; sbsc, subscapularis; skpr, scapulo-humeralis profundus; spc, supra- 

 coiaco-scapularis; sphc, sphincter colli; SpS, spina scapulas; 55, suprascap- 

 ulare; St, sternum; Sta, anterior part of sternum: Stp, posterior part of 

 sternum: thssp, thoraci-scapularis superficialis (serratus superficialis); U, ulna: 

 V 5, Fa. 5th and 6th vertebras. 



NERVES SHOWN 



30. thoracicus VII. 

 7. posterior branch of the tho- 

 racicus superior VII for 

 the collo-thoraci-supra- 

 scapularis profundus and 

 rhomboideus muscles. 



7a. proximal. 



jb. distal thoracicus superior 



VII. 

 ioa. thoracicus inferior. 



12. supra-coracoideus. 



15. integumental, (13 and 14), 



IN THIS PLATE. 



muscular branch of the 

 supra-coracoideus. 



1 9. pectoralis. 



21. brachialis longus inferior. 

 2<)b. teres major. 



31. dorsalis scapulae (posterior). 



32. cutaneus brachii and anti- 



brachii superior lateralis. 

 320. humero-radialis. 



33. deltoides inferior, (25 and 



42), cutaneus brachii and 

 antebrachii medialis. 



