from the Vancouver District. 6 



et striis subobsolctis cincta, suturis valcle impressis ; basi rotuii- 

 aata, obtuse augulata, striis ssepe evanidis spiralibus oriiata, tesra 

 adiilta circa unibilicum mau;mim, intundibulit'ormem, vix ansru- 

 latum, s?cpe tumidiore, medio obtuse iinpressa ; apertura sub- 

 quadrata, parum deelivi ; columella subarcuata. Long. '16, long, 

 spir. -07, lat. -IG, div. 70°. 



Hub. Neeah Bay {^Swan) ; Lower California, on Halioi'* 

 {Ruwell). 



27. Gibbula lacunata. 



C. testa par^'a, fusco-purpurea, solidiore ; marginibus spirse valde 

 exctirvatis ; antVactibus nucleosis normalibus, postea iv. subpla- 

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

 vix anfiulatam striolata, striolis spiralibus distantibus ; apertura 

 suborbiculari, parum deelivi ; labio juxta umbilicum constrictum, 

 quasi lacunatum, lobato ; columella callositate parva umbilicum 

 coustringente. Long. '11, long. spir. "0.5, lat. '11, div. b{f. 



Lab. Neeah Bay {Swan). 



28. Gibbula funiculata, 



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

 vatis ; antr. vi., baud tuniidis, suturis parum impressis ; lirulis 

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

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

 hand carinato ; apertura suborbiculari, parum deelivi ; columella 

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



Hub. Neeah Bay {Swan), specimen unicum. 



29. Hipponyx cranioides, 



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

 adulta apice interdum subcentrali, saepius plus minusve postico ; 

 laminis incrementi confertis, undique rapide augentibus ; striis 

 radiantibus fortiorlbus, confertissimis, laniinarum margines saepe 

 crenulantibus ; niargine acuto i cicatr. muse, angusta, margin! 

 contiirua, regione capitis minore, ssepe dcxtrorsum torsa ; epi- 

 dermide?. . . Long. -8."), lat. '75, alt. '3. 



Hab. Neeah Bay {Swan). 



30. Bivonia compacta. 



B. testa satis magna, saepe solitaria, purpureo-fusca, spiraliter ple- 

 rumque satis regulariter contorta, obsoletim cancellata seu sculp- 

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

 que) •/, lat. "3, diam. ajiert. •!. 



Hah. Barclay Sound ; abundant on Pachijpoma gibberosum 

 {Swan). 



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

 Peialocunchus matrophrnaina on a large scale, but is entirely 

 destitute of internal lttuii..is. One specimen had a faint colu- 



239 



