* 
CORALLINE OOLITE. 103 
Belemnites. — 1. abbreviatus ? (Miller) a large variety Malton, Hambleton, &c. 
also in calcareous grit. 
2. Blainvilli P (Voltz PI. 1. fig. 9-1 
(a very slender species much allied to 
B. lanceolatus (Min. Conch, tab. dc.) it also 
appears related to B. fusiformis (Miller, 
Geol. Trans. Vol. II. PI. VIII.) 
- Malton, 
ANNULOSA. 
Vermicularia compressa (Young and Bird) PI. IV. fig. 17- Scarborough. 
Serpula squamosa (Bean MS.) ••• fig- 15. Ditto. 
CRUSTACEA. 
Astacus rostratus ... .. PI. IV. fig. 20. Malton and Scarborough; 
also in calcareous grit and 
Kelloways rock. 
REMAINS OF FISHES AND REPTILES. 
A fine specimen of the palatal teeth of some fish, in five rows, was found in Slingsby 
quarry, and sent by the Earl of Carlisle to the Museum of the Yorkshire Philosophical 
Society. Two of the teeth are shewn, Plate IV. fig. 22. 
Remains of ichthyosaurus occur in the oolite of Malton, especially vertebrae and 
teeth. A fine specimen of the lower jaw of a genuine crocodile, very like one found 
at Caen, and in Northamptonshire, is in the valuable collection of Malton fossils be- 
longing to the Yorkshire Philosophical Society. 
On reviewing the preceding list of more than one hundred and 
twenty species of fossils from the coralline oolite of Yorkshire, some 
general results present themselves, which deserve the attention of geolo- 
gists. First, it is remarkable that though many of the species are re- 
peated in the oolitic strata below, none are found in the Speeton clay 
above : a result which harmonizes exactly with the observations made 
