EXPLANATION OF THE COLOURED PLATES. 



Plate I.— Page 80. 



Class Crustacea.— Orrfer Decapoda. 



Gonoplax angulata, young, var. ? 



Order Isopoda. 



Limnoria terebrans, magnified, 



Arcturus longicornis, female, rather magnified. 



Class AuACH^iDA.— Order Dimerosomata. 

 Dysdera erythrina. 



Order Podosomata. 

 Pycnogonmn Balainarum. 



Class Ametabova.— Order Chilognatha. 

 lulus terrestris. 



Order Thysanura. 

 Petrobius maritimus. 



Order Anoplura. 

 Haematopinus Suis. 



Plate II.— Page 335. 

 Class PrihOT A. —Order Coleoptera. 

 Cicindela hybrida, natm-al length one-half of an inch. 

 Miscodera arctica, ,, one-fourth 



Orectochilus villosus, 

 Agabus serricornis, 

 Spercheus emarginatus, 

 Abdera, 4-fasciata, 

 Clythra Hordei ? 

 Saperda Carcharias 



one-fourth 



one-half 



one-fourth 



one-sixth 



one-sL\th 



natural size. 



