308 UNGTJLATA. 



18020. The axis vertebra. Figured, op. cit. pi. lxiii. fig. 7. 



18021. The axis vertebra (imperfect). Figured, op. cit. pi. lxiii. 

 {Fig.) fig. 10. 



18021 a, 18021 b. Two imperfect specimens of the axis vertebra. 



18021 C. The centrum of the axis vertebra. Figured, op. cit. 

 {Fig.) pi. lxiii. fig. 8. 



18021 d. The centrum of the axis vertebra. Figured, op. cit. 

 {Fig.) pi. lxiii. fig. 9. 



18038. The third cervical vertebra (imperfect). Figured, op. cit. 

 {Fig.) pi. lxiii. fig. 12. 



18039. The third cervical vertebra (imperfect). 



18310. The fifth cervical vertebra (imperfect). Figured, op. cit. 

 {Fig.) pi. lxiv. fig. 2. 



18311. The fifth cervical vertebra (imperfect). 



18312. The sixth cervical and the centra of two associated dorsal 

 {Fig.) vertebrae. The former is figured, op. cit. pi. lxiv. fig. 1. 



18313. The sixth cervical vertebra, wanting the descending plate 

 {Fig.) of the right transverse processes. Figured, op. cit. pi. lxiii. 



%. 11. 



18314. The sixth cervical vertebra (imperfect). 



18315. The seventh cervical vertebra (imperfect). 



18316. Tbe first (?) dorsal vertebra (imperfect). Figured, op. cit. 

 {Fig.) pi. lxiv. fig. 3. 



18317. The second dorsal vertebra (imperfect). Figured, op. cit. 

 {Fig.) pi. lxiv. fig. 6. 



18318. The second dorsal vertebra (imperfect). Figured, op. cit. 

 {Fig.) pi. lxiv. fig. 4. 



18320. The fourth dorsal vertebra (imperfect). Figured, op. cit. 

 {Fig.) pi. lxiv. fig. 5. 



18319. The fifth dorsal vertebra (imperfect). Figured, op. cit. 

 {Fig.) pi. lxiv. fig. 7. 



18321. The associated fourth and fifth dorsal vertebrae (imper- 

 {Fig.) feet). Figured, op. cit: pi. lxiv. fig. 9. 



