MR. LUBBOCK ON THE THYSANURA. 595 



This species most nearly approaches the D.'platcmi of Nicolet, but may be at once distin- 

 guished by the colour of the first abdominal segment, which in the latter species is pale. 



It has no scales. Each leg has a tenent hair ; and the large claw is provided with two 

 teeth. It occurs on the bark of trees, and under logs of wood. 



Length a^th of an inch. 



Eound during spring and summer, in Kent and Lancashire. 



Degeema Platani, Nicolet. M. Nicolet's description of this species is as follows : — 

 " Corps ecailleux, a reflet argents, un peu plus fusiforme que celui du precedent, a 

 tete plus petite et plus allongee, ayant les angles posterieurs arrondis. Polls noirs. 

 Tete et premier segment thoracique d'un jaime-orange assez fonce, et hordes an- 

 t^rieurement de noir ; second segment noir. Premier segment abdominal d'un jaune- 

 orange-pale ; les deux suivants noirs, et separes par une ligne transversale tres-fine 

 du meme jaune et bordant le segment anterieur. Le quatrieme segment, egale- 

 ment orange-pale, porte une large tache irreguliere noire sur son milieu, et une ligne 

 transversale de meme couleur a son bord posterieur. Anus et bord posterieur de 

 I'antepenultieme segment egalement noirs. Antennes, pattes, dessous du corps et 

 queue d'un jaune-pale tres-leger, les premieres un peu plus foncees et annelees de 

 noir ou de gris ; souvent un anneau noir a l'extr6mite des cuisses posterieures. 

 " Longueur environ 2 millimetres. Se trouve sous les ^corces du Platcmus orientalis ; 



assez commun en ete ; vit solitaire." 



I found my specimens in June, on the bark of beech, in company with Fsocus, &c. 



Templetonia, n. g. 



Body long, cylindrical, provided with clubbed hairs like those of Degeeria and Or- 

 chesella, and also with scales. Segments eight in number, subequal. Head direct, 

 or nearly so. Antennae longer than the head, five-jointed ; the basal segment short, 

 the three following subequal, the apical ringed. Basal part of the saltatory ap- 

 pendage more than half as long as the two terminal lamellae. 



This genus is proposed for the reception of Templeton's Podura nitida, which is not 

 very rare in Kent. The structure of the antennse is alone sufiicient to distinguish it from 

 all the other Poduridce. They have five segments, of which the first is quite short, the 

 three following are cylindrical and subequal, while the terminal is ringed and shows, 

 therefore, some approximation to a character hitherto peculiar to Macrotoma. It differs 

 also from Isotoma in the peculiar form of the hairs, in the presence of scales, and in the 

 form of the saltatory appendage, while agreeing with it in the general form of the body. 

 On the other hand, while agreeing with Degeeria in the tegumentary appendages, it 

 differs in the form of the body-segments. At the same time, it is more nearly allied 

 to Degeeria and Isotoma than to the other allied genera, though in the position of the 

 head it makes some approach to Lepidocyrtus, and in the termination of the antennse 

 to Macrotoma. On the whole, therefore, this genus presents us with a most interesting 

 combination of characters. 



