On the Littoral Fauna of the Anglo-Norman Islands. 229 



XXV. — Contributions to the Study of the Littoral Fauna of 

 the Anglo-Norman Islands {Jersey^ Guernsey, Herm, and 

 8arh). Bj Dr. R. Kcehler*. 



[Plate XI.] 



The Anglo-Norman islands (Channel Islands) are situated a 

 few leagues from the French coast, to the west of the penin- 

 sula of the Cotentin. The most important of these are 

 Guernsey, Jersey, and Alderney (Aurigny), to which may be 

 added three smaller islands, situated not far from Guernsey — 

 Sark, Herm, and Jethou, the Ecrehous to the east of Jersey, 

 and a number of small islets grouped around Guernsey and 

 which are inhabited. 



I have passed two successive summers, in 1884 and 1885, 

 in the Channel Islands. The first year I resided in Jersey 

 and studied the fauna of that island, and, to a less extent, 

 that of Guernsey and Sark. The following year I took up 

 my abode in Guernsey, to continue the investigations vvhich 

 had only been sketched out the preceding year and to 

 thoroughly explore Herm, which I was unable to visit in 

 1884. 



The observations of which I shall give an account in this 

 memoir are chiefly the result of researches carried on upon the 

 shores at low water. During my first sojourn in the English 

 islands in 1884 I made several dredgings and pelagic fishings, 

 but in 1885 I preferred to devote all my time to researches on 

 the shore ; moreover I was unable to find in Guernsey a 

 fisherman who possessed a dredge fulfilling my requirements. 

 I have, however, carefully noted some species brought to me 

 by the fishermen, which were obtained by dredgings made 

 off the south-east point of Guernsey. 



I did not wish (and indeed it would have been impossible 

 for me) to pay attention to all the groups of animals which 

 together constitute the marine fauna of Jersey. In the first 

 place I discarded the fishes. Their study, and especially 

 their preservation, necessitate a quantity of encumbering mate- 

 rials with which 1 could not tliink of loading myself. I have 

 also paid comparatively little attention to the Mollusca. A list 

 of the species found at Jersey has been published by M. Duprey 

 in two notes inserted in the 'Annals and Magazine of Natural 

 History.' I therefore omitted entirely the study of the Mol- 

 lusca of Jersey, judging that I should not find anything to 

 do after the researches of M. Duprey, who has for a very 



* Translated by W. S. Dallas, F.L.S., from the ' Aiiuales des Sciences 

 Naturelles/ e«5r. vi. toiue xx. pp. 62. 



