LOWER CRETACEOUS STRATA. 155 



a patella at the knee-joint, but it is much smaller 

 than in the 1 he bone may have been 4 



inches long. The metatarsus differs from the 

 e in all existing birds, because it shows no 

 I of the tarsal bono being blended with it. 

 It was probably about :\ inches long, so that 

 the animal may not have exceeded a height of 15 



inches. It is unknown whether these birds ; 5- 



iddle-shaped mode of union 



i the neck is as well devel- 



Sting birds; but it is either absent 



in the ba< k. ed, since joints 



of the back-bone have the ends cup-shaped. T! 



that the tail was short. It is cer- 

 tain that ii. a water-bird, and it prob- 

 ably fed under the water, like the divers. It is 



xliornis. In the Greensand of New 



rds also been found which show 



- with the living - ; and - 



thos teeth, it is not improbable that 



I h were also present in the of the bird 



from the ( 'amb ave 



idition of tl.< * Enaliornis - 



[id in one of the Ai: 



The exist show 



that the family of dr. . in the 



cretace* - tnd that their jaws were armed 



with teeth, which are not found in any bird- 

 nave also been found 

 in the Chalk of Scania in Sweden but the bones 

 are I 



