INTRODUCTION 



J05 



classes — Archseornithes, of which Archaeopteryx alone can be said to be 

 known, and Neornithes, his Classification of which, according to the 

 paradigm given by himself (pp. 299-302) is as follows : — 



Rheae ; Casuarii ; Apteryges 



1. Ratit^. 



Ratitm : Struthiones 



nithes. 

 Stereornithes : Phororhacos, Brontornis, Stereornis, &c. 



oruis, Dasornis ; Gastornis. 



2. Odontolc.?; : Hesperornithes ; Enaliornithes. 



3. Caeinat^ : [Orders. ] [Suborders.] 

 f 



Ichthyornithes. 



Colymbiformes : — Colymbi, Podicipedes. 

 Sphenisciformes : — Sphenisci. 

 Procellariiformes : — Procellariae. 



Dinornithes ; ^pyor- 

 Diatryma ; Remi- 



a 



..a 



tog ; 



"o 



§ Ciconiiformes : — 



Anseriformes : — 

 Falconi/ormes : — 



Steganopodes (5) ; Ardeae 



copteri (2). 

 Palamedefe ; Anseres. 

 Cathartae ; Accipitres (4). 



I) ; Ciconise (2) ; Phceni- 



•a 



n. 



■d 



13 



o 

 o 



SQ 



.2 o 



60 £ 



5S 



OJ o 



Hi H 



.-d.a 



(M ce 



Tinamiformes : — Tinami. 



Galliformes : — Mesites ; Turnices (2) ; Galli (3) ; Opisthocomi. 



Oruifcrrmes : . . . . (7). 



Charadriiformes : — Limicolae (6) ; Lari (2) ; Pterocles : 



' Cuculifomes : — 

 Coraciiformes : — 



PasseriforTnes : — 



o v. 



ColumbEB (2). 



Cuculi (4) ; Psittaci (6). 



Coraciae (9) ; Striges (2) ; Caprimulgi (3) ; Cypseli (2) ; 



Colli ; Trogones ; Picl (7). 

 P. anisomyodi : — Subclamatores ; Clamatores (5). 

 P. diacromyodi : — Suboscines (2) ; Oscines (?). 



[The number suflSxed to the name of the Order or Suborder indicates the number 

 of Families and Subfamilies recognized, when there is more than one.] 



Dr. Gadow's Phylogeny arranged in ordinary fashion, for comparison 

 with those used before, would be thus — 



Neornithes 

 \ 



Ratitae. . . AlectoromorphEe. 



I 

 Coraciomorphse. 



Pelargomorphae + Colymbomorphae. . .Odontolcae 



From the preceding pages, recounting the efforts of many system- 

 makers — good, bad and indifferent — it will have been seen what a 

 very great number and variety of characters need to be had in remem- 

 brance while planning any scheme that will at all adequately repre- 

 sent the results of the knowledge hitherto attained, and the best 

 lesson to be learnt from them is that our present knowledge goes 



