THE ENTOMOLOGIST. 263 



portion of 1857 ; Mr. Walker visiting Calais, Rouen, Paris, 

 Strasbourg, Baden-Baden, Heidelberg, Wiesbaden, Frank- 

 fort, Mayence, Cologne, Brussels, Aix-la-Chapelle, and 

 Antwerp. During the journey he collected in the Black 

 Forest; and this is the only scene of his scientific labours, 

 during the tour, of which 1 have any intelligence. 



The summer of 1860 was devoted to a thorough exploration 

 of the Channel Islands. Dr. Bowerbank was his companion 

 during a portion of the time; and, as a consequence, the 

 sponges of these islands, were a main object of research, — 

 the Gouliot caves in Sark, so celebrated for their marine 

 productions, — were a great attraction to both naturalists. 



In 1861 Mr. Walker's excursions were chiefly confined to 

 North Devon ; he visited Linton, Clovelly, Ilfracombe, Bide- 

 ford, and Barnstaple: and now his attention seems to have 

 been again chiefly occupied with Lepidoptera, at the scarcity 

 of which he was greatly disap])ointed, having expected, from 

 the extensive woods, to have found moths particularly 

 abundant. 



In 1863 he toured the English lakes; and, in the spring of 

 1865, North Wales and Ireland ; and in the autumn he again 

 visited Paris, Geneva, Lucerne, Interlacheu, and Alldorf, 

 ascending the Righi, Mont Pilatus and the Miirren, and 

 proceeding to Kandersteg, the Oeschinen See, and the 

 Gemmi Pass. 



In 1867 we find him again in France and Switzerland, 

 ascending the Col de Voza, and examining the Jardin of the 

 Mer de Glace ; thence over the Tete Noir to Martigny, Sion, 

 and the Great St. Bernard; returning by St. Maurice and the 

 Villeneuve to Geneva. 



In 1869 he made the tour of the Isle of Man, and returned 

 by Holyhead ; in 1870 he paid another visit to Llanberis, as 

 well as to all the more beautiful scenery in North Wales, 

 crossing over to Ireland, and touring that island from south 

 to north ; and in 1871 he examined entomologically the Scilly 

 Islands, and the districts of the Lizard and the Land's End. 



In 1872 he turned his attention to Italy, visiting Rome, 

 Pisa, Lucca, Florence, Naples, Sorrento, Capri, Milan, and 

 Venice, as well as the Lakes of Como and Maggiore. 



And, finally, in the present year, he had again proceeded 

 as far as Aberyslwilh, on his way to Ireland, when his 

 intention was frustrated by illness, which terminated fatally 



