18 



THE YOUNG NATURALIST. 



near Leith Hill, where it is about 900 to 1000 feet thick. Among its 

 organic remains have been discovered : — 

 Earlswood Common. 



Lepidotus Mantilli. 

 Charlwood. 



Kemains of Iguanodon. 



Oakwood Hill near Ockley. 



Remains of Megalisaurus. 

 Horley. 



Cyclas media, Unio, Sphcerium. 



THE LOWER GREENSAND. — Beds bearing this name form the 

 well-marked line of hills, which, with one or two gaps, bounds the plain of 

 Weald clay on the north and west. Several sub-divisions have been traced 

 in the Lower Greensand, thus at the base, resting on the Weald clay, we 

 have a band called the Atherfield clay and upon this we find the Hythe beds 

 composed of sands and limestone. The sandstone beds are irregular and of 

 local occurrence, they are clayey sands, which near Nutfield contain excellent 

 beds of Puller's Earth ; this substance is an earthy hydrous silicate of alum- 

 ina, it has a great capacity for absorbing oil or grease, and was largely used 

 by cloth mauufacturers. The chief organic remains are : — 

 Reigate. 



Bxogyra spicata, Terebratula sella, Eolocystis elegans, Pleurotomaria 

 Anstedi, Ammonites carter oni, A. Nutfieldianus, Perna mulleti. 

 Red Hill. 



Perna mulleti, Pinna sulcifera, Area dupinana, Astarte substriala, 

 Nutfield. 



Nautilus undulatus, A. Neocomiensis. 

 Godalming. 



Terebratella pmlonga, Terebratula ohlonga, Terebratulina striata. 

 East Shalford. 



Terebratula sella, Anomia radiata, Pecten quinquescostatus, Area consobrina, 

 A. dupiniana, A. robinaldina, Cardium Ibbetsoni, C. Austeni, Corbis corru- 

 gata, Astarte acuta, Cyprina anglulata, Cytherea parva, Venus orbigniana, 

 Venus striato-costata, Corbula striatula, Panopiea plicata, Gastrochcena 

 dilatata, Nucula antiquata, Avellana globulosa, Turbo munitus, Aporrhais 

 robinaldina, Cerithuim Neocomiense, Eulima albensis, Natica laevigata. 

 Haslemere. 



Perna mulleti, Lucina arduanensis, Cyprina cordiformis, Gervillia alee- 

 formis, Area raulinu 



