SCIENCE- G OSSIP. 



AN INTRODUCTION TO BRITISH ■ SPIDERS. 

 By Frank Per< v Smii ii. 



(Continued from page 207.) 



GENUS DIPOENA THOR. 



"jV/r AXILLAE inclined towards the labium. Eyes 

 - L '-*- in two rows, the posterior centrals being 

 closer to one another than each to the adjacent 



Fig. i. Theridion lincatum. Male. a. Profile, b. Falces, 

 viewed from underneath, c. Maxillae and labium, d. Poste- 

 rior portion of cephalo-thorax, upper side showing stridulating 

 1 irgan. 



lateral. The posterior row is somewhat curved, its 

 convexity being directed forwards. Clypeus very 

 high. Abdomen with a strong pubescence. 



Dipoena raelanogastsr Koch. This un- 

 common spider may be easily recognised by the 

 generic characters. 



GENUS LASEOLA SIM. 

 The characteristics of this genus are similar in 

 many respects to those of the genus Dipoena Thor. 

 The eyes of the posterior row are, however, nearly 

 or quite equidistant. 



Laseola inornata CI). {Theridion inornatum 



HI.) 



Length. Male 1.7 mm., female 2 mm. 



The legs and cephalo-thorax are of a yellowish-red 

 colour, the tibiae of the first and second pairs of legs 

 being darker. The abdomen is convex above, almost 

 globular, and of a blackish-brown hue. This spider 

 is not common. 



Laseola tristis Hahn. 



This spider, which is extremely rare, is of a uni- 

 form sooty black, 



Laseola coracina Koch. May be distinguished 

 from L. tristis Hahn. by the tarsi and metatarsi 

 being white or yellowish-while. It is a very rare 

 species. 



Laseola prona Menge. A rare spider de- 

 scribed in " Preussische Spinnen," page 177. 



S 



d 



FlG. 2. Theridion lincatum. Female, a. Profile, 2 

 palpi truncated. 6. Extremity of palpus, showing pectinated 

 .law. c. Extremity of tarsus of fourth leu. showing 

 short spines, d. Vulva, e. Vulva profile. 



GENUS EURYOPIS MENGE. 



Maxillae inclined toward- the labium. C 

 high. 1'osterinr eyes in a strongly curved line, ;:s 

 convexity being directed forwards. Abdomen strongly 

 acuminate at its hinder part. 



1 1 



