IXTRODUCTIOy. ix 



Of Vol. II. of the ' Hand-list,' which contains the Parrots and 



Picarian Birds, Sir Kay Lankester gives the estimate, in 1900, as 

 follows : — 



Genera 454; Species 2861. 



I believe that some mistake must have been made in the number 

 of genera, as I estimate the number of genera at the present time to be 

 449, and the species 3099, as shown by the following Table: — 



Genera. Species. 



Vol. IL] Order XXVII. Psittacifobmes 8-3 62-5 



,, XXVIII. CORACIIFOEMES. 



Sub-Order 1. Steatornithes 1 2 



„ 2. Podargi 3 .34 



,, 3. Leptosomati 1 2 



,, 4. Coraciifi 7 37 



„ 5. Halcvones 20 2-36 



G. P,ucerotes 21 87 



„ 7. Upupae 4 32 



,. 8. Meropes o 47 



„ 9. Momoti 7 27 



„ 10. Todi 1 5 



„ 11. Caprimidgi 21 144 



„ 12. Cypseli 10 118 



„ 13. Trochili 118 590 



14. Colli 2 17 



Older XXIX. Tkogones 10 Gl 



„ XXX. Coccyges 53 194 



„ XXXI. ScANSOEES ; 29 258 



„ XXXII. PiciFORMES 53 583 



449 3099 



