Trogonid^e.] 



OSTEOLOQIA AVIUM. 



[Capitoniile. 



Monasa, Vieill. 



Torquata, Hahn. 

 Very similar to Capito, but with the upper edge of the orbits approaching nearer to 

 one another, and with a slight channel between them. Sternum broader, and the 

 fissures more open. 



Measurements. 



Tenths. 

 Breadth of posterior margin of sternum 8 

 Breadth of anterior margin of sternum 5 



Tenths. 



Length of humerus . . . . . 11 



Length of ulna 13 



Length of metacarpus ..... 5 



Length of femur 8 



Length of tibia ....... 12 



Length of metatarsus 9 



Length of sternum 9 



Depth of keel 2 



Length of head 20 



Breadth of head 8£ 



Length of pelvis 10 



Breadth of pelvis 8-| 



Chelonidera, Gould. 



Tenebrosa, Pall. 

 Similar to Capito, but with the tarsi much shorter ; the inferior edge of the sternal 

 keel arched ; the anterior edge scolloped out, and not extending over the manubrial 

 process ; the upper edge of the orbits approaching nearer to each other, and with a 

 distinct channel between them. 



Measurements. 



Tenths. 



Length of humerus 12 



Length of ulna 15 



Length of metacarpus 5 



Length of femur 7 



Length of tibia 10£ 



Length of metatarsus 5 



Length of sternum 9J 



Tenths. 



Breadth of posterior margin of sternum 7 

 Breadth of anterior margin of sternum 6 



Depth of keel 2 



Length of head 11 



Breadth of head 7 



Length of pelvis 11 



Breadth of pelvis - . 8 



Illustrations. 



Sternum, Plate VIII. fig. 4. 



Palatine bones, Plate XII. fig. 4. 



48 



