Hymenoptera aculeata collected in Algeria. 525 



Solanem ; Lycium afrum (ii. 6). ScroplmdarineiB ; [Scrophu- 

 laria saharae did not appear to be attractive to anything, at 

 tbe end of March near the Montagne de Sable, on the north 

 slope of the rocky ridge;] Antirrhinum ramosissimum (iii.28 

 — v. 26) ; Linaria fruticosa (v. 28). Labiatse ; Teucrium po- 

 lium (v. 26, 28). Plumbaginem ; Limoniastrum guyoni- 

 anum (iv. 13 — v. 6); [L. feei seemed unattractive ;] Statice 

 pruinosa (v. 24). Polygonum ; Polygonum aviculare (vi. 

 30) ; Caligonum comosum (iii. 28). Chcnopodiaceaz ; Suaeda 

 vermiculata (iii. 27 ; v. 3) ; Salsola tetragona (iii. 25). 

 Thymeleaz ; Thymelaea microphylla (iv. 28). Euphorbi- 

 aceaz ; Euphorbia guyoniana (iii. 17 — iv. 27). Gramineze ; 

 Cynodon dactylon (iv. 13) ; iElurops litoralis (iv. 9), indi- 

 cating favourable sites for certain small Fossores. 



Only three of the species of Terrestrial isopod Crustacea 

 (wood-lice) commonly associated with ants were obtained 

 from ants' nests. 



Porcellio pallidus, B.— L. : Tizi Ouzou (xi. 8 a , 10, 11) 

 with Aphaenogaster barbara on Djebel-el-Beloua, at about 

 230 feet altitude, and by Oued-en-Nadje ; Constantine (x. 

 25) a little below the cavalry barracks on the Mansoura ; 

 and Bone (xi. 14 a , I7 b and 24) beside the Route de Karezas 

 near Hippone on the opposite side of Bou Djemma, and 

 beyond Plage Chapuis along the road to Cap de Garde. 

 Also with Myrmecocystus viaticus along this last road 

 (xi. 13). 



Leptotrichus panzerii, Aud. and Sav.: Bone (xi. 13) with 

 M. viaticus and (14 a and 17 b ) with A. barbara in the same 

 places as P. pallidus. Tunis (xii. 12 and 15) at the border 

 of Sebka-el-Seldjoumi and near Bordj Felfel — probably 

 with A. barbara. 



Platyarthrus Schoblii, B. — L.: Bone with A. barbara, on 

 the Plaine des Karezas (xi. 6) and associated with Cremas- 

 togaster Auberti, between Plage Chapuis and Cap de Garde 

 (xi. 24). Biskra (i. 18 and 21) with A. barbara near the 

 Douar Arabe across the river, and with this species and 

 Tapinoma erratica by the main road to Vieux Biskra, in an 

 enclosure near the M'zabite cemetery. It also occurs on 

 fallows near the Route des Zibans, in favourable weather. 



Camponottjs mactjlattjs, Fab., race dichrous, Forel. 



$ £ and ^ major and minor. Under a stone north 

 of Beni Mora on the hills of the desert, 17. 

 i. 94. A. E. E. 



