156 



Ammonites communis. The best development of this zone is fovind near 

 the Peak, and between Robin Hood's Bay and Whitby on the Yorkshire 

 coast. 



The light coloured limestone nodules foi-ming the Fish-bed, have 

 afforded specimens of the following genera of Fishes and Insects : — 



FISHES. 



Sauropsis, Fachycormus, Fholidophirus, Lepidotus, Leptolepis. 



INSECTS. 



Miss Holland informs me " that she has specimens which correspond 

 with the following plates and figures in Brodie's Fossil Insects : — Plate 

 vii., figs. 2 and 6; Plate viii., figs. 2, 9, 10, 11; Plate x., fig. 4; with 

 unfigured specimens of two insect bodies without wings, one body with 

 one wing attached, and several bodies with folded wings, two beetles, an 

 six wings." 



CEPHALOPODA. 



Ammonites cornucopia, Y. & B. Ammonites fibulatus. Sow. 

 II Normanianus, (?) d'Orb. n communis, Sow. 



II serpentinus, Schloth. The Aptychi of several species 



(with aptychus) Loliginites, two or three species 



11 radians, Rein. 



GASTEROPODA. 



Alaria, impressions of two or three specimens. 



CONCHIFERA. 



Pecten cinctus, Sow. CucuUaea Miinsteri, Goldf. 



Goniomya tetragona, Wr. Lithodomus in fossil wood 



Inoceramus dubius, Sow. 



CRUSTACEA. 

 Glyphea, (nov. sp.) Eryon Barrovensis, McCoy 



ECHINODERMATA. 



Acrosalenia crinifera, Quenst., on thin slabs with hair-like spines 



Pentacrinus, (nov. sp.) 

 From these beds Miss Holland has also obtained three teeth, a small 

 bone supposed to belong to a Pterodactyle, some portions of the skin of 

 an Ichthyosaurus, and a Fern belonging to a aew species. 



December, 1862. 



