Teochilid^e.] 



OSTEOLOG-IA AVIUM. 



[Trochilin^e. 



the length of the tibia. Vertebral column of moderate strength ; the cervical vertebrae 

 rather flattened horizontally; terminal caudal vertebra triangular, with a slight crest 

 pointing backwards. 



Measurements. 



Tenths. 



Length of humerus 4 



Length of ulna 4 



Length of metacarpus 6 



Length of femur 6 



Length of tibia 8-J- 



Length of metatarsus 3 



Length of sternum 12 



Tenths. 

 Breadth of posterior margin of sternum 5-| 

 Breadth of anterior margin of sternum 2-J 



Depth of keel 5 



Length of head 22 



Breadth of head 5 



Length of pelvis 9 



Breadth of pelvis 5^ 



Illustrations. 



Skeleton of Patagona gigas, Plate I. bis, fig. 1. 

 Palatine bones, Plate I. bis, fig. 2. 

 Pelvis, Plate I. bis, fig. 3. 



Metatarsus, Plate I. bis, fig. 4. 

 Sternal apparatus of Petasphora jolata, 

 Plate I. bis, fig. 5. 



Subfam. 2. Trochilin^e. 



Thaumastura, Bon. 



Vesper, Less. 



The whole family of Trochilidce differ so little, except in measurements, that the 

 description of one will serve for that of all. I have in my collection the following 

 skeletons : Cephalepis Lalandii, Gouldia Langsdorfii, Clytolwma rubinea, Florisuga ater, 

 Thaumatias cyaneus, Thalurania glaucojpis, Hylocharis Wiedii, Lophomis magnificus, 

 Aphantochroa cirrochloris, Glauds hirsutus, Thaumatias alMcollis, Thaumastura Linnm, 

 and Petasphora jolata. 



Measurements. 



Tenths. 



Length of humerus 2\ 



Length of ulna 2 \ 



Length of metacarpus 2J 



Length of femur 3 



Length of tibia 6 



Length of metatarsus ..... 2^ 



Length of sternum 7 



Tenths. 

 Breadth of posterior margin of sternum 3^ 

 Breadth of anterior margin of sternum 2 



Depth of keel 4 



Length of head 10^ 



Breadth of head 3 



Length of pelvis 4^ 



Breadth of pelvis . . 3 



VOL. I. 



G 



37 



