92 SUBMARINE AIR-BREATHING ANIMALS. 



As there is close resemblance between these, I may be 

 pardoned for pointing out a simple method of identification 

 lor which I am indebted to M. A. Fauvel, the president of the 

 Entomological Society of Paris. A. Robinii has two little 

 dot-like elevations on each of its elytra; A. fidvescens has 

 several rows of these arranged longitudinally. 



A. Robinii is broader near the posterior end than in the 

 middle : A. fidvescens has parallel sides. 



There are many species of Goleoptera found under 

 decaying weeds, and under stones upon the sea shore which 

 may be occasionally submerged ; but these are identical 

 with land species, and do not come under the term of 

 marine. 



Of more interest than the foregoing is the marine 

 Hemipterous insect JEpophilus Bonnaireii. This was first 

 discovered by Mr. F. Smith on the Cornish coast, and his 

 specimen was for some years in the British Museum, without 

 name or date of capture. It was again found on the coast of 

 the Island of Khe, in the Bay of Biscay, by Bonnaire, and 

 described by Signoret in the annals of the Entomological 

 Society of Paris, 1879. 



I had found numerous examples of this insect upon the 

 shores of Jersey long prior to this date, viz., about 1867 or 

 1868, and had sent specimens to various entomologists with 

 no result as regards identification. In 1884 when collecting 

 on this shore with Dr. Kcehler, I had the good fortune to 

 come upon a colony of them, when they were at once recog- 

 nised by Dr. Kcehler, and some twenty specimens secured. 

 It was then figured and described by him in his " Fawns 

 Marine des Isles Anglo-Normandes." 



The Arachnida are well represented on these shores. 

 Of the Acari it is possible that we have all recorded species ; 

 but as they are very numerous and difficult of identification, 

 I will pass them over. Some of them — Eupalus, Rhyncolo- 

 phus, Bdella, &e, living near high water mark and only 

 submerged for a few hours daily, are possibly familiar to 

 every one who has walked among the rocks, being conspicuous 

 by their bright scarlet or orange colour. 



Others, e.g., the Ilalacarida}, live from low water level to 

 a depth of twenty or thirty fathoms. All these are exceed- 

 ingly common. 



Of true spiders I have found but one example, and the 

 only one I understand recorded from these latitudes. This 

 I sent to the British Museum in 1887. I have unfortunately 

 mislaid the information I received thence respecting it. 



