16 



INTRODUCTION. 



I will now proceed, though somewhat out of chrono- 

 logical order, to M. Bourlet's second memoir, ' Sur les 

 Podurelles.' ^ A great part of this memoir is merely 

 a reprint of the preceding. 



The species described are as follows : 



BouRLET, ' Mem. Soc. Roy. Douai.' 



Macrotoma plumbea 



,, spiricornis 



Lepidocyrtus curvicollis 

 „ argentatus 



„ rivularis 



^tlieocerus rufescens 

 „ crystallinus 



„ griseua 



„ pvilchricornis 



„ cinctus 



„ riibrofasciatus 



„ quinquefasciatus 



,, dimidiatus 



,, aquaticus 



Podura villosa 

 „ viridis 

 ,, bifasciata 

 ,, trifasciata 

 ,, avborea 

 „ nivalis 

 „ annulata 

 „ palustris 

 ,, cursitans 

 „ argeiiteo-cincta 

 ,, violacea 

 Hypogastrura miTvorum 

 „ aquatica 



„ agaricina 



,, fusco-viridis 



Adicranus fimetariiis 



„ corticina 



SminthuTOS vix-idis 

 „ fuscus 



„ bilineatus 



„ aquaticus 



„ lupuling) 



„ pallipes 



Dicyrtoma atropurpurea 

 ,, dorsi-maculata 



Tomocerus plumbeus. 



„ longicornis. 



Lepidocyrtus curvicollis. 

 „ lignorum. 



,, seneus ? 



Orcbesella rufescens. 

 Templetonia crystallina. 

 Orcbesella villosa (young 

 „ cincta. 



,, rufescens. 



Isotoma palustris. 

 Orcbesella villosa. 

 Isotoma viridis. 

 „ aquatilis. 



„ arborea. 

 Degeeria nivalis. 



„ annulata. 

 Isotoma palustris. 

 Degeeria nivalis. 

 Seira platani. 

 Lepidocyrtus violaceus ? 

 Acborutes murorum. 

 Podura aquatica. 

 Acborutes cyanocepbalus ? 



,, similatus ? 



Lipura fimetaria. 



Smyntbiirus viridis. 

 ,, fuscus. 



„ oblongus 



„ aquaticus. 



„ lupulinai. 



„ pallipes. 



The table of genera differs, however, considerably 

 from that in the previous memoir ; it is as follows : 



• Memoires de la Societe Royale de Douai ' for 1843. 



