8 
Dinosauria. 
Wall-case, 
No. 2. 
Pelagosau- 
rus. 
Glazed-case 
X. 
Table-case, 
No. 4. 
numerous, large, compressed, and slightly recurved teeth, and 
the vertebrae are constricted and biconcave. It probabh 
attained a length of ten or twelve feet. The 
original specimens from Monheim, first 
described and figured by Scemmerring in 
1816, as a gigantic lizard (Lacerta gi- 
gantea) are exhibited in the case. 
In Dacosaurus , the skull is short and 
broad, with no trace of premaxillary expan- 
sion and without sculpture ; the teeth are 
few in number, stout, smooth, and with two 
slightly serrated carinse and a suboval cross- 
section. {See woodcut, Fig. 10.) 
A reproduction of the entire skeleton 
of the Pelagosaurus typus , from the Lias of 
Curcy, Normandy, prepared by the late 
Professor E. Deslongschamps, is placed in a 
glazed case between Table-cases Nos. 10 and 
11, and marked x on plan. 
From the Wealden of the South-east of 
England, the Purbeck beds of Dorset, we 
have a true Crocodilian, the Goniopholis ; 
and a dwarf species, Theriosuchus pusillus, 
Fig. 10. — Tooth of Daco- /m „„„„ -\T~ A \ 
saurus maximus (Plien.) Owen (Table-case hi O. 4). 
Kimmeridge Clay, Ely. 
Fig. 11.— Profile of skull of Pelagosaurus typus (Bronn), from the Upper Lias of 
Normandy (reduced). T, supra-temporal fossa ; 0, orbit. 
Wall-cases, A large Crocodile has been obtained from the Eocene Ter- 
Nos. 1 and 2. tiary of the Isle of Wight, and from Hordwell, Hampshire; 
Table-cases, anc l remains of many species of Crocodiles and Garials, from 
Nos. 2 and 3. tertiary rocks of India, may be seen in the wall-case. 
These are referable to the typical genus Crocodilus , and also to 
the other living genera, namely, Garialis of India and Tomis- 
toma of Borneo ; both the last-named genera being long- 
snouted types. 
Order III.— DINOSAURIA. 
Wall-cases, The Dinosauria, Land-Reptiles. — This remarkable group 
Nos. 3—7, ’ of huge terrestrial reptiles is quite extinct. Some of them 
and Table- p ac [ bony dorsal plates and long and formidable spines 
— S o NOS - (as Acanthopholis , Polacanthus , Hylceosaurus , &c.), others were 
without such defences. Most of these animals had flat or 
