Bibliogra])liical Notices. 281 



cimen, in 90-100 fathoms, 35 miles N.N.W. of Unst; possibly a 

 relic of the glacial period. 



Pecten aratus, Gmelin. North of Hebrides, 350 fathoms {Car- 

 penter 4* Thomson). 



P. vitreus, Chemuitz. Shetland ; a small valve in a mass of Lo- 

 pJiohelia prolifera {Dr. Edmonston) ; North of Hebrides, 189 and 

 650 fathoms {Carpenter 6f Thomson). 



Leda lueida, Loven. North of Hebrides, 189-650 fathoms (Car- 

 penter 4* Thomson). 



Limopsis boreaUs, Woodward, MS. A small single valve, with L. 

 mirita, in 189 fathoms, about 50 miles north of the Hebrides {Gar- 

 jienter Sf Thomson). 



Area nodulosa, Ivliiller. Orkneys ; a single valve (Capt. Thomas) ; 

 north of Hebrides, 189-530 fathoms {Carpenter 6f Thomson). 



Montacuta twmidida, Jeffreys. Hebrides and Shetland, 40-80 

 fathoms, on muddy ground, rare (J. G. J.). 



M. Daivsoni, Jeffreys. Off Cruden, Moray Firth {Daivson). 



M. donacina, S. Wood. A valve in St. Magnus Bay, Shetland 

 {J. G. J.). 



KelUa cycladia, S. Wood. A few living specimens and a single 

 dead valve, recently procured off Shetland, in 60-90 fathoms 

 {J. G. J.). 



Cypricardia lithophageUa, Lamarck. Single valve in dredged 

 sand from Guernsey ( Waller). 



Slphonodentalvmn Lofotense, Sars. Muddy sand in 40-140 fathoms, 

 among the Hebrides and Shetland Isles {J. G. J.). 



Cadidus subfusiformis, Sars. Fine sand near Unst, in 85-140 

 fathoms, local, but not uncommon (J. G. J.) ; north of Hebrides, 

 170 and 189 fathoms {Carpenter S,- Thomson). 



DentaUum abyssorum, Sars. Shetland, 78 and 82 fathoms, two 

 young but living specimens ; north of Hebrides, 189 and 650 fathoms 

 {Carpenter tf* Thomson). 



Trochus (jJaucus, MtiUer. Dredged by Mr. M'Andrew in about 

 20-30 fathoms, between Kyleakin and Kyle Rhea, in Skye. 



Lacuyut tenella, Jeffreys. North of Hebrides, 189 and 650 fathoms 

 {Carpenter <^ Thomson). 



Natica (vffinis, Gmelin. North of Hebrides, 189 fathoms {Car- 

 penter 6f Thomson). 



[Odostomia Warreni, Thompson.] 



Pleurotoma carinata, Bivona. N.N.W. of Unst, pebbly ground, 

 120 fathoms, one living and one dead specimen {J. G. J.) ; north of 

 Hebrides, 189 fathoms {Carpenter 6) Thomson). 



Utrlcidus globosus, Loven. St. Magnus Bay, 60-80 fathoms, on 

 a muddy bottom, very rare {J. G. J.). 



Scaphander librarius, Loven. North of Hebrides, 530 fathoms 

 {Carpenter (^- Thomson). 



