TIIK .ll'KASSlc M'STKM 



435 



but the unly known genus is Airh<>i'/if> ///.', whose ivmuins occur in 

 limestones of Portland age at Solenhofen in Bavaria. This bird 

 had strong reptilian affinities in the structure of its head and tail, 



Fiji. 144. 11KUUP OK CORALLIAN KOSSII>. 



Cerithiuin muricatuiu. 

 /. Aspidocorns pc-niniiatiim. 



..isniili.-i Minularis. 



b. Acrosalenia decorsta. j. AMpiiloo>ias piTunuatun 



c. Gonioiuya litt'rata. ;/. Hflcmiiitcs kbbrevtetas. 



(/. Tri^otiiu cluvelhita.' h. Ci.lai-is tlnri.jciiuua. 



,. I'luilailuiiiyu :i-i(Uiili8. 



and in possessing teeth, but it had feathered wings, a feathered 

 tail, and feet adapted for grasping boughs of trees. 



Fish were evidently abundant in the seas, their teeth and >-ale> 

 being often found, and sometimes tin- entire skeleton ; the chief 

 genera are Leptolepis (Fig. 143), Aspidorhynchus (Fig. 147), Pholi- 

 dophorus, Gyrodus, Lepidotus, and Hybodu*. 



