536 IVAR TRÂGARDH 



at the incision, and two slightly larger teeth behind it ; behind 

 thèse, the edge slowly rises to a httle in front of the posterior, 

 lower tooth, and slowly tapers farther back. 



Ventral side (fig. 25)difïers from that of the main form in 

 so far as the two latéral, anterior cuspsof theepigynialshield 

 are much smaller than the médian one, whereas in the former 

 they are of equal size to it, and project as far forward ; another 

 différence is, that the top of the shield does not cover the tops 

 of the metasternal shields 



Eugamasus niveus (Wank) Tgdh. 



(Fig. 26-37). 



Département des Basses-Pyrénées (France). — Grotte d'Ixeste 

 ou d'Arudy, commune d' Arudy, canton d'Arudy, 5 th Septem- 

 ber 1905 ; N» 74 g ; 3 o% 3 Q (with 1 egg.), nymphae. 



Grotte d'Oxibar, commune de Camou-Cihigue, canton de 

 Tardet-Sorholus, Ist January 1905; N» 127, 1 o\ 



Grande grotte Leconoby, commune d'Aussurucq, canton de 

 Mauléon, 2nd and 3rd January 1906 ; N» 128, 1 cf, 2 9. 



Petite Grotte Leconoby, commune d'Aussurucq, canton de 

 Mauléon, 2nd and 3rd January 1906 ; N» 129; 1 9, 2 nymphœ. 



Département de VAriège {France). — Grotte de Bedeilhac 

 (Fond), commune de Bedeilhac-et-Aynat, canton de Tarascon- 

 sur-Ariège, 24 th August 1906 ; N" 165, 3 o% 7 9 (with 1 egg), 

 1 nympha. 



Grotte de Lombrive ou des Echelles, commune d'Ussat, 

 canton de Tarascon-sur-Ariège, 19 th August 1906; N" 155, 1 o\ 



Grotte de Ferobac, commune La Bastide-de-Sérou, canton 

 de la Bastide-de-Sérou, 21 th July 1907 ; N» 203, 1 cf, 3 9. 



Grotte de Malarnaud, commune de Montseron, canton de 

 La Bastide-de-Sérou, 13th September 1909; No 292, 1 tf, 3 9. 



Grotte de Portel, commune de Loubens canton de Varilhes, 

 Ist November 1908 ; N" 243, 1 cf, 1 9, 1 nympha. 



Grotte d'Aubert, commune de Moulis, canton de Saint-Girons, 

 16th September 1909 ; N» 297, 2 tf, 6 9, 2 nymphae. 



