from the Vancouver District. 5 



et striis subobsoletis cincta, suturis valde impressis ; basi rotun- 

 aata, obtuse angulata, striis ssepe evanidis spiralibus ornata, tesra 

 adulta circa umbilicum magnum, infundibuliformem, vix angu- 

 laturn, scepe tumidiore, medio obtuse impressa; apertura sub- 

 qmidrata, parum declivi ; columella subarcuata. Long. '16, long, 

 spir. -07, lat. -10, div. 70. 



Hub. Neeah Bay (Swan] \ Lower California, on Haliors 

 (Rowell). 



27. Gibbula lacunata. 



G. testa parva, fusco-purpurea, solidiore ; marginibus spirse \alde 

 excnrvatis ; anfractibus nucleosis normalibus, postea iv. subpla- 

 natis, suturis distinctis, apice mamillato ; sublsevi, circa basin 

 vix angulatam striolata, striolis spiralibus distantibus ; apertura 

 suborbiculari, parum declivi ; labio juxta umbilicurn constrictum, 

 quasi lacunatum, lobato ; columella callositate parva umbilicum 

 constringente. Long. *11, long. spir. '05, lat. *11, div. 80. 



Hab. Neeah Bay (Swan). 



28. Gibbula funiculata. 



G. testa parva, elevata, compacta, fusca; marginibus spirse excur- 

 vatis ; anfr. vi., baud tumidis, suturis parum impressis ; lirulis 

 crebris rotundatis undique cincta, quarum v. in spira monstrantur; 

 interstitiis parvis ; basi rotundata, baud angulata ; umbilico parvo, 

 baud carinato ; apertura suborbiculari, parum declivi ; columella 

 vix arcuata. Long. '24, long. spir. '11, lat. '2, div. 70. 



Hab. Neeah Bay (Swan), specimen unicum. 



29. Hipponyx cranioides. 



II. testa valde planata, majore, albida; vertice nucleoso? ... ; testa 

 adulta apice interdum subcentrali, ssepius plus minusve postico ; 

 laminis increment! confertis, undique rapide augentibus ; striis 

 radiantibus fortioribus, confertissimis, laminarum margines ssepe 

 crenulantibus ; margine acuto ; cicatr. muse, angusta, margini 

 contigua, regione capitis minore, ssepe dextrorsum torsa ; epi- 

 dermide?.. . Long. '85, lat. '75, alt. -3. 



Hab. Neeah Bay (Swan). 



30. Bivonia compacta. 



U. testa satis magna, ssepe solitaria, purpureo-fusca, spiraliter ple- 

 rumque satis regulariter contorta, obsoletim cancellata seu sculp- 

 tura fere evanida ; testis tenacissime adhserente. Long, (plerum- 

 qne) *7, lat. *3, diam. apert. !. 



Hab. Barclay Sound; abundant on Pachypoma gibberosum 

 (Swan). 



Belongs to Bivonia, Gray (not Morch). Has the aspect of 

 Petaloconchus macrophragma on a large scale, but is entirely 

 destitute of internal laminae. One specimen had a faint colu- 



239 



