EEPTILIA. 



59 



are of equal size. This fossil head is one of the largest ever found belonging to an 

 Enaliosaurian. The muzzle is entire, and armed with !A~4 5 teeth. The eye, 



4 0-7 



seven and a half inches in diameter, is girt by a zone of sclerotic plates. The 

 original was found in that ancient cemetery — the Lias beds of Lyrne-Eegis, 

 England, and belongs to the Museum at Melbourne, Australia. 



Size, 5 ft. 1 in. x 1 ft. 9 in. Price, $15.00. 



No. 216. Ichthyosaurus platyodon, Conyb. 



Head, truncated. From the Lias at Lyme-Regis, England, and now in the 

 British Museum. Size, 2 ft. 6 in. x 1 ft. 9 in. Price, $9.00. 



No. 217. Ichthyosaurus platyodon, Conyb. 



Head on slab. From the Lias in Glastonbury, England, and now in the 

 Tylerian Museum at Haarlem, Holland. Size, 4 ft. 9 in. x 1 ft. 9 in. Price, $7.00. 



No. 218. Ichthyosaurus platyodon, Conyb. 



Head. From the Lias of Lyme-Regis, England, and now in the British 

 Museum. Size, 16 x 10. Price, $2.00. 



No. 219. Ichthyosaurus platyodon, Conyb. 



Paddle. From 

 the Lias at Glaston- 

 bury, England, and 

 is now in the Tyle- 

 rian Museum at Haar- 

 lem, Holland. Size, 3 

 ft. 7 in. x 14 in. Price, 

 $5.50. 



No. 220. Ichthyosaurus tenuirostris, Conyb. 



Skeleton on slab. This species is characterized by the great length and 

 slenderness of the jaws. The intermaxillary and dentary bones are enormously 

 prolonged. The cranium is flat, and the orbits very large. The teeth are slen- 

 der — about sixty in each ramus, and the fore-paddles are much larger than the pos- 

 terior pair. The animal attained the length of fourteen feet. This complete 

 skeleton was discovered in the Lias at Boll, Wirtemberg, and belongs to M. De- 

 four- Walderode of Prague. Size, 4 ft. 4 in. x 13 in. Price, $8.00. 



No. 221. Ichthyosaurus tenuirostris, Conyb. 



Head on slab. This fine head was found in Lias at Lyme-Regis, England, 

 and is in the British Museum. Size, 37 x 12. Price, $3.00 



