from the Vancouver District. 5 



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

 aata, obtuse angulata, striis ssepe evauidis si)iralibus ornata, tesra 

 adulta circa umbilicum magnum, iiif'undibuliformem, vix angu- 

 latum, soepe tumidiore, medio obtuse itnpressa ; apertura sub- 

 quadrata, parum decbvi ; columella subarcuata. Long. "IG, long, 

 spir. -07, lat. -K), div. 70°. 



Hah. Neeah Bay {Swan) ; Lower California, on Haliovs 

 {Rowell). 



27. Gibbula lacunata. 



G. testa parva, fusco-purpurea, solid iore ; marginibus spirse valde 

 excurvatis ; 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 umbilicum constrictum, 

 quasi lacuuatum, lobato ; columella callositate parva umbilicum 

 constringente. Long. "11, long. spir. '05, lat. "ll, div. 80'^. 



Hab. Neeah Bay {Swan). 



28. Gibbula funiculata. 



G. testa parva, elevata, compacta, fusca ; marginibus spirae 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. 'll, lat. '2, div. 70°. 



Hab. Neeah Bay {Swan), specimen unicum. 



29. Hipponyx cranioides. 



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

 adulta apice interdum subcentrali, ssepius plus minusve postico ; 

 laminis incrementi confertis, undique raplde augentibus ; striis 

 radiantibus fortioribus, contertissimis, laminarum margines ssepe 

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

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

 dermide?... Long. -8.3, lat. '75, alt. -3. 



Hab. Neeah Bay {Sivun). 



30. Bivunia compacta. 



B. testa satis magna, ssepe solitaria, purpureo-fusca, splraliter ple- 

 rumque satis regulariter contorta, obsoletim cancellata seu sculp- 

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

 c^ue) '7, lat. "3, diam. apert. •]. 



Hab. Barclay Sound ; abundant on Pachypoma gibberosum 

 {Swan). 



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

 Petaloconchus macrojilirooma on a large scale, but is entirely 

 destitute of internal luuiiwr.'. One specimen had a faint colu- 



239 



