76 



HARDWICKE'S SCIENCE- G OS SIP. 



been taken here ; this species is the largest of the 

 Mactras and certainly the most beautiful, its glossy 

 epidermis giving it a very handsome appearance. 



The genus Trochus is well represented and includes 

 T. magus, T. liiicatus, T. striahis and T. jtmbilicatus. 

 Ltiiraria elliptica and L. oblonga occur at La Rocque 

 and St. Aubin's Bay. 



The Nassas are common, and in May their curious 

 ova on the Zostera in the low- tide pools may be 

 commonly met with. A number of species of the 



feet in expanse of stretch, so that the Devil fish which' 

 figures so prominently in " The Toilers of the Sea," 

 where the locality is an adjacent one, is a by no 

 means exaggerated animal. It is generally used for 

 bait, but is sometimes eaten after being sundried. 

 The writer can give an opinion as to this mollusc as. 

 an article of food, though not of a satisfactory nature ; 

 the flesh is tough and of an indiarubber consistency, 

 and the flavour is by no means delicate — it may, in 

 fact, be considered a failure in this respect. 



Fig. 47. — Small worked flint 

 with finely serrated edge, 

 probably used as a saw 

 (N.S.). 



Fig. 49. — Curved flint 

 knife (N.S.). 



Fig. 43.— Piercer (N.S.). 



genera Rissoa, Littorina, Odostomia, Cardium and 

 many others are well represented. Donax poUttts 

 and D. anatiinis are fairly common and Pectunciihis 

 glycimeris come up in numbers, in the dredge from 

 St. Aubin's Bay. Eniargimila reticulata occurs in 

 deep water in St. Clement's Bay, and Mitrex 

 erinaceiis and M. corallinits are common in most of 

 the bays. 



Of the Cephalopods, Octopus vulgaris is often 

 common, and many have been taken in Jersey roads 

 of great size. Some have measured as much as seven 



Fig. 50.— Adze (N.S.). 



Of the land Mollusca there are a fair numberp 

 and even a few fresh-water ones, altliough so little 

 exists in the shape of brooks, ponds, &c., for the 

 development of the latter. The genus Helix is well 

 represented, and includes H. pisana and H. pul- 

 chella. Bnli>?ms acutus is very common, and presents 

 a great variety in its markings. Achatina aciciila is 

 also said to occur. The island generally is very 

 favourable to those species that are adapted to a 

 warm and damp condition of things. 



V/ith regard to the Nudibranchiata, many species 

 are common, Aplysia hybrida comes up with nearly 

 every haul of the dredge, and various species of 

 Eolis and Doris are scarcely less known. 



The curious gelatinous-looking masses of ova of 

 the latter genera may be seen attached to the rocks, 

 exposed at low tide, during the early summer months. 

 They are very remarkable and, when viewed under 

 the microscope, are seen to consist of minute spherules 

 evenly distributed through a jelly-like matrix. 



As regards the Polyzoa, a large variety may be 

 noticed, embracing a number of genera ; but, as they 

 present nothing of special interest with reference to 

 Jersey in particular, it may be sufficient to say that, 

 owing to the favourable locality in which they occur, 

 they are not only very plentiful, but also in consider- 

 able variety. 



The insects of Jersey are not considered by Ento- 

 mologists to be British, and no doubt that strictly 

 speaking, this rule ought to extend to other sections ; 

 for, geographically, the Channel Islands are decidedly 



