42 THE VERTEBRATE SKELETON. 



Group Charadriiformes. 



Subgroup Limicolae. Charadriidae plovers. 



Parra jacana. 



Subgroup Lari. Laridae gulls. 

 Alcidae auks. 



Subgroup Pteroclidae. Pterocles sandgrouse. 

 Subgroup Columbidae. Columbae pigeons. 

 Didus dodo. 

 Pezophaps solitaire. 

 Group Cueuliformes. 



Subgroup Cuculi. Scythrops. 



Subgroup Psittaci. Stringops owl-parrot. 



Group Coraeiiformes. 



Subgroup Coraciae. Coracias roller. 



Buceros hornbill. 

 Upupa hoopoe. 

 Subgroup Striges. Owls. 

 Subgroup Cypseli. Cypselidae swifts. 



Trochilidae humming-birds. 

 Subgroup Trogonidae. Trogons. 

 Subgroup Pici. Rhamphastos toucan. 

 Picus woodpecker. 



Group Passeriformes. Crows, finches, larks, warblers, 



and many others. 



C. MAMMALIA 1 . 

 Class MAMMALIA. 



Subclass (I). ORNITHODELPHIA or PROTOTHERIA. 

 Order. MOJJOTREMATA. 



1 The classification adopted is almost entirely that given in Flower 

 and Lydekker's Mammals Living and Extinct. London, 1891. 



