XIV STRUCTUUE AND CLASSIFICATION OF BIRDS 



t''HJ. PAHE 



21. 'Respiratory Organs oi ATpteryx (after Huxley) . . . . SO 



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



tion of ObKque Septum {after Beddard) 40 



26. Diagram of a Transverse Section through Tliorax of Duck 



(after Beddard) ......... 41 



27. Similar Diagram of Crow (Corviis capellanua) (after Beddard). 41 

 2?. Viscera of Book displayed by Bemoval of Abdominal Walls 



(after Beddard) .......... 42 



29. KbdiominsX Ca.vity oi B LLcorvtis (after Beddard) ... 44 



30. Heart of Fowl, Interior of Eight Ventricle (after Lankcster) . 49 



31. Heart of Apteryx, Interior of Right Ventricle, with Attachment 



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



32. Normal Avian Carotids (after Oarrod) 52 



33. Carotids of Bittern (after Garrod) 52 



34. Carotids of Flacoiugo (after Garrod) 52 



35. Carotids of Cacatua (after Garrod) ...... 52 



36. Carotids of Passerine (after Garrod) . . . . . . 53 



37. Abnoi'mal Arrangement of Carotids, where the Left is Super- 



ficial in Position (after Garrod) ...... 53 



38. Windpipe of Seleucides nigra (after Forbes) . . . . 58 



. 59 



. 61 



. 62 



. 62 



. 64 



. 04 



39. Breast Kegion of i£anuoodia (after Beddard) . 



40. Syrinx of Indicator, Enlarged (after Garrod) 



41. Syrinx of Cymbirhynchus (after Forbes) . 



42. Syrinx of Balceniceps (after Beddard) . 



43. Syrinx of Struthio (after Forbes) 



44. The same Syrinx from behind 



45. Syrinx of Vanella cayennensis, from in front (after Garrod) . 66 



46. The same from behind (after Garrod) 67 



47. Trachea of Tantalus loculator. a. F'rom F'ront. b. From Side 



(after Garrod) 68 



48. Syrinx of Steatornis. Front View (after Garrod) . . . 69 



49. Tensores Patagii of PJioenicoptems (after Weldon) ... 84 



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



and Mitchell) 91 



51. Leg Muscles of Palamedea, Inner View, illustrating Biceps and 



its Sling (after Beddard and Mitchell) ..... 94 



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



Mitchell) 95 



53. Leg Muscles of Opisthocomus (after Mitchell) ... 96 



54. Flexor tendons of Gallus banhiva (after Garrod) . . . 100 



55. Flexor tendons of Apteryx MantelU (after Garrod) . . 100 



56. Flexor tendons of Tinnunculus alaudarius (afler Garrod) . . 101 



