XX 



FIGURES ILLXJSTKATING GENEHIC DETAILS. 



Geaus. 



48. 

 49. 

 50. 

 61. 

 62. 

 53. 

 54. 

 56. 

 66. 

 57. 

 68. 

 69. 

 60. 

 61. 

 62. 

 63. 

 64. 

 65. 

 66. 

 67. 



Election Gistel 



Aspatha Sharps 



Nyctidiomiis Gould 



Antrostomus Bonaparte 



Stenopsis Cassin 



Fhalsenoptiliia Eidgway 



Siplionorliis Sclater 



Nytagreus Nelson 



Chordeiles Swainson 



Speotyto Gloger 



Nyotibius Vieillot 



Glaucidium Boie 



TytoBUlberg 



Cryptoglaux Eidimond . 



Asio Brissou 



Rhinoptynx Kaup 



Lophostrix Leeaon 



Clocaba Wagler 



Fseudoacopa Kaup 



Gymnasio Bonaparte. . . 



Strix Linnaeus 



Scotiaptex Swainson 



BuboDum^ril 



Otus Pennant 



Midropallas Coues 



Nyotea Stephens 



Sumia Dum&il 



Pulsatrix Kaup 



Plate. 



Figure. 



Page of 

 text. 



XXIV 

 XXV 

 XXV 

 XXVI 

 XXVII 

 XXVIII 

 XXVIII 

 XXIX 

 XXIX 

 XXIX 

 XXX 

 XXX 

 XXXI 

 XXXI 

 XXXII 

 XXXII 

 XXXIII 



xxxni 



XXXIII 



xxxm 



XXXIV 

 XXXIV 

 XXXV 

 XXXV 

 XXXV 

 XXXVI 

 XXXVI 

 XXXVI 



2 



1 



2 

 1,2 



1 



1 



2 



1 



2 

 3 



1 



2 

 1 

 2 

 1,2 

 3 

 1 

 2 

 3 

 4 

 1 

 2 

 1 

 2 

 3 

 1 

 2 

 3 



470 

 482 

 536 

 503 

 497 

 647 

 495 

 556 

 559 

 812 

 684 

 779 

 600 

 622 

 652 

 670 

 732 

 769 

 674 

 676 



736 

 681 

 806 

 767 

 772 

 754 



