xiv STUfCTFKE AX!) CLASSIFICATION OF JJIIJRS 



rui. I'A'-I 



'21. Respiratory Organs of Apteryx (after Hu.rlcij) . ;-','. 



23. Diagrammatic Transverse Section of Emu, to show the Projec- 

 tion of Oblique Septum (after Beddard) 40 



26. Diagram of a Transverse Section through Thorax of Duck 



(after Bed/lard) .41 



27. Similar Diagram of Crow (Corvtis capcllaunx} (after Beddard). 41 

 2(-'. Viscera of Rook displayed by Removal of Abdominal Walls 



(after Bed/1 /i nh . . 42 



29. Abdominal Cavity of Bit con- us (after Beddard) ... 44 



yO. Heart of Fowl, Interior of Right Ventricle (after Lankcxtcr) . 49 

 yi. Heart of Aptcryx, Interior of Right Ventricle with Attachment 



of Papillary Muscle cut through (after Lankexler) . . 49 



o2. Normal Avian Carotids (after Gar rod) 52 



yy. Carotids of Bittern (/:ft<'r Gnrrod) 52 



yi. Carotids of Flamingo (after Gnrrod) 52 



y5. Carotids of Cacatna (after Garrod) 52 



:-)6. Carotids of Passerine (after Garrod) 53 



o7. Abnormal Arrangement of Carotids, where the Left is Super- 

 ficial in Position (after Garrod) . . . . .";; 

 :JS. Windpipe of Selcucides niara (after Forbes} . . . . 5S 

 o9. Breast Region of Man ucodia (after Beddard} . . . . 59 



40. Syrinx ot Indicator, Enlarged (after Garrod} lil 



41. Syrinx of Cymbirhynchus (after Forbes) . . (>2 



42. Syrinx of Balceniceps (after Beddard) . . .'. . . I'rJ 

 4y. Syrinx of Struthio (after Forbes) . . . Ii4 



44. The same Syrinx from behind . . . . . . . (14 



45. Svrinx of Vanella cayennensis, from in front (after Garrod) . (515 

 4(5. The same from behind (after Ga rro/l) . . . . . 67 



47. Trachea of Tantalus loeulator. a. From Front, b. From Side 



(after Garrod) UK 



48. Syrinx of Steatorn in. Front View (after Garrod) . . . (19 



49. Tensores Patagii of Pluvnicoptenus (after Weldoit) . . K4 



50. Muscles of Leg of Pulainedea. Outer View (after Beddard 



and Mitchell) . . . 91 



51. Leg Muscles of Palantedea, Inner View, illustrating 15iceps and 



its Sling (after Beddard and Mitchell) 94 



52. Leg Muscles of Baleariea. The Ambiens Tendon is cut (after 



Mitchell) 95 



5y. Leg Muscles of OpisthoComus (after Mitchell) ... 96 



F>4. Flexor tendons of Gallus bankiva (after Garrod) . . . 100 



55. Flexor tendons of Ap/eri/.r Mantelli (after Garrod) . . . 100 



56. Flexor tendons of Tiiuutiiculuy aUtudaritts (after tlarrod} . . 101 



