P H Y S A. 



Species 25. (Mus. Sowcrliy.) 



Physa kerruginka. Pliij. testi'i iiiJlaUl, brevi, IwriijaU't, 

 ferrucjined ; spird productd, anfractibus brcvibiis, 

 rotundatis ; ultimo anfractu iiijlalo, brevi, post 

 columellam subexcavato ; apertuiA olliquc decllvi, 

 productd, intus obscure purpured, antice subacu- 

 minatd, columelld temiiusculd, rectiiisciM. 



The ferruginous Phtsa. Shell inflated, short, smooth, 

 ferruginous ; spire produced, whorls short, rounded ; 

 last whorl inflated, short, a little excavated behind 

 the columella; aperture obliquely sloped, produced, 

 dull purple within, anteriorly subacuminated, 

 columella rather thin, rather straigl)t. 



Ai.AMs and AxGAS. Proc. Zoo). Soe., LsGo, p. 416. 



]lab. Nortli Australia. 



ecies 26. (Mus. Brit.) 



PnvsA FKAGiLis. Pill/, testd timui, pallida, anhnratd ; 

 aperturd mwjnd, arilicc mbacuminata : .yiini brcn, 

 mifractibiis paucis, parvis ; ultimo unj'ractu lalc- 

 raliter injlato. 



The FRAGILE Phtsa. Shell thin, pale, subovate ; 

 aperture large, anteriorly svibacuniinated ; spire 

 short, whorls few, small ; last whorl laterally 

 inflated. 



MiGii^LS. Haldeman's Monograph, PI. III. f. 11-13. 



llab. Maine, United States. 



Species 27. (Mus. Brit.) 



Phtsa gibbosa. Phy. testd hreviter subci/Iiiidraccd, 

 pallide strandned, politd ; spird brevi, conicd, acu- 

 minatd ; ultimo anfractu superne gibboso vet rotun- 

 dato-anyulato ; antice subattenuato ; apei-turd 

 elongatd, labia externa rectiiisculo, plied columellari 

 brevi tortud. 



The GIBBOUS Phtsa. Shell shortly subcyHndrical, pale- 

 straw, very smooth ; spire short, conical, acumi- 

 nated ; last whorl gibbous or roundly angular 

 above ; anteriorly somewhat attenuated ; aperture 

 elongated, outer lip rather straight, columellar plait 

 short, tortuous. 



GocLD. E.\-pedition. 



Hub. New Zealand. 



Sjieeies 28. (Fig. a, b, Mus. Brit.) 



Physa Lordi. PIii/. testd inflald, subtrigond, solidius- 

 culd, superne augulatd ; spird conicd, anfractibus 

 angulatis, suprd, unguium subplanulatis ; anfractu 

 ultimo infiato, angulato, brevi ; aperturd superne 

 augulatd ; intits prope marginem castaneo fasciatd, 

 antice acuminata , productd ; plied columellari tenui, 

 prominenti, tortud. 



Lord's Phtsa. Shell inflated, subtrigonal, rather solid, 

 angular above ; spire conical, whorls angular, a 

 little flattened above the angle; last whorl inflated, 

 angular, short ; apertui'e angular above, banded 

 with chestnut within near the margin, anteriorly 

 acuminated, produced ; columellar fold thin, pro- 

 minent, tortuous. 



Baird. Proc. Zool. Soc. 



Ilab. Lake Oregon, British Columbia. Collected by 

 J. K. Lord, Esq. 



Species 29. (Fig. a, h, Mus. Brit.) 



Phtsa Nov^ Zelandi.«. Phy. testd turbinatd, so- 

 lidd, castaned, Icevigatd ; spird conicd, anfractibus 

 rotiindatim angulatis ; ultimo anfractu inverse 

 ccmico, antice subacuminato ; aperturd subaured ; 

 labia interna valida, plied columellari superne 



February, 1873. 



