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Show 1890.] ACARINA FROM ALGERIA. 417 monodactyle ; a species very similar to it, and erroneously supposed by some to be identical with it, has been found in Italy by Prof. Canestrini, and called by him N. anauniensis. This creature has the strong central claw and an extremely weak and small lateral claw on one side only, so that it becomes didactyle with very uuequal claws. In Algeria I find a creature which I have, with some doubt, considered to be a variety of N. anauniensis, and which does not differ from Prof. Canestrini's species in any respect that 1 can see, except that it has the weak lateral claw on each side of the central, thus becoming tridactyle and completing the series. List of Species found in Algeria. (Those known to be also British are marked B.) Name. ORIBATID^E. Pelops aeromios, Hermann. B. Oribata lapidaria, Lucas. B. „ globula, Nicolet. B. ,, quadricornuta, Michael. B. „ cuspidata, Michael. B. „ lucasii, Nicolet. B. ,, alata, Hermann. B. ,, avenifera, Michael. B. ,, longipes, Berlese. Serrarius fusifer, Berlese. Leiosoma simile, Nicolet. B. Cepheus tegeocranus, Hermann. B. Scutovertex scidptus, Michael. B. Tegeocranus latus, Koch. B. „ coriaceus, Koch. B. „ marginatus, Michael. B. „ elongatus, Michael. B. Notaspis burrowsii, n. sp. aqualis, n. sp. glabra, n. sp. bipilis, Hermann. B. oblonga, Koch. • B. longilamellata, Michael. B. ,, splendens, Koch. B. Damaus phcdangioides, n. sp. „ patelloides, n. sp. „ flagellifer, n. sp. ,, clavipes, Hermann. B. „ bicostatus, Koch. globipes, Canestrini. femoratus, Koch ; Canestrini. troisii, Berlese. dugesii, Places of capture, &c. Algiers and Blidah. Algiers. Algiers, common. Algiers. Algiers. Algiers. Algiers, &c, common. Algiers. Algiers and Blidah. Algiers and Blidah, common. Algiers. Blidah. The hairs are finer and the abdomen less spotted than in the British specimens. Query, whether identical. H a m m a m R'hira. H a m m a m R'hira. Blidah. Algiers and Blidah. Algiers. H a m m a m R'hira. Algiers. Blidah. Common everywhere. Algiers. Gorge de la Chiffa. The specimens are rather larger than the British, and have the pseudo-stigmatic organs not quite so clubbed. Blidah. Gorge de la Chiffa. One specimen only. Forest of Ain Beida, near Algiers. Cedar-forest of Teniet-el-Ahd. Algiers. Algiers, Blidah, Hammam R'hira, common. Algiers. Algiers, Blidah, &c, common. Gorge de la Chiffa. |