76 THE ENTOMOLOGIST. 



in direct to the Bay of Gibraltar, and so naturally here is a quan- 

 tity of Genista refuse deposited, which the sea for the most part 

 has carried from the north-west coast of Africa. At all events the 

 great resemblance of the sand-hill fauna of Tangier to that of 

 the Bay of Gibraltar is very remarkable ; Isocerus ferrugineus, 

 Pachychile salzmanni, Helops pallidus, the small form of Pimelia 

 foruicata is common to both ; while Tentijria sinuatocollis of 

 Algeciras, in some varieties, comes very near to the maroccana of 

 Tangier. Likewise in both places are found Apio7i cretaceum, 

 Litargits coloratus, Cneorrhinus ludificator, on the same sand-hill 

 plant, Genista monosperma ; and I also discovered in marine 

 Genista flood refuse at Algeciras, Poecikis nuinidicus, which had 

 been hitherto only known from Marocco, also Ditonius cephalotes, 

 not rare at Tangier, and a dead fragment of a Scarites costulatus, 

 Fairm., which I have only met with on the dunes of Tangier. 



My opportunity for collecting at Algeciras occurred at the 

 most favourable time of year for the South of Spain, the begin- 

 ning of spring ; so that, on the one hand, I had come early 

 enough to find all the representatives of the winter fauna ; and 

 on the other, day by day to discover newly emerged species, 

 which contributed not a little in making my collection numerically 

 rich in number of species. It so happened that in this year the 

 warm spring weather set in unusually sudden and early, so that 

 many an insect was enticed out earlier than it would have been 

 in other seasons. 



The greater number of my excursions were made to a narrow 

 valley, overgrown with old cork trees, and which runs far up in a 

 westerly direction from the town into the so-called Sierra of 

 Altteciras. The road thither follows at first a little stream 

 flowing through Algeciras, whose beautiful overgrown banks 

 invite the use of the Streifnetz (sweeping net ?). Tlie result was, 

 indeed, a good beginning, for there were found, upon the different 

 shore plants principally, Chrysomela lucida and C. palustris, in 

 all varieties, Cionus hlattar'ice and C. angidatus, Donacia polita, 

 DihoUa occultans, Phyllotreta variipennis, P. procera, Thyamis 

 parvida, T. lateri-punctata, Batoj^hila cerata, Apion squamigerum, 

 ononis, huviile, kevicolle, Jlavofemoratmn, Mecinus circulatus, 

 and lastly two specimens of the rare Chrysomela tagana, Suft'r. 

 Under stones alongside the stream there was but little, and only 

 once did I find under a heap of stones some 80 Phcropsophus 

 hispanicus. 



