270 POPULAR ENTOMOLOGY. 



Tipulidce are uncommon ; the Order Neuroptera presents 

 specimens of the family Phryganidce, and a species offfeme- 

 robius, with a few others. Amongst Dictyoptera have been 

 observed individuals of the genus Ephemera. In Ortho- 

 ptera the Blattidce are the most numerous, some small 

 Achetidce, a few larger Grasshoppers, and Locusts. 



Fossil insects have been also discovered in recent forma- 

 tions, of which Marcel de Serres has given the most com- 

 plete list. According to him, they were found in calcareous 

 marl, which separates the several strata of gypsum in the 

 quarries of Aix in Provence ; they are accompanied by im- 

 pressions of plants, and are chiefly those insects which live 

 in a sandy soil ; their colour is gone, as they are of a uni- 

 form brown or black. The list includes specimens of the 

 Beetle, Ichneumon, Ant, Butterfly (very rare), Ply, Dragon- 

 fly, Earwig, Grasshopper, Cricket, and many others whose 

 names are less familiar : these will suffice to give the geo- 

 logical student a slight idea of the insect world in ages long 

 since passed away. 



These, and many other particulars given in this little 

 volume, are not intended to satisfy, but to excite the 

 curiosity of the young naturalist, and induce him to apply 

 for information to other sources ; but it may be hoped that 



