NATICA. 



Plate XXV. 



Species 113. (Mus. Cuming.) 

 N.iTic.v CLADSA. Nat . testa ohtecte iimbiUcaf.d,mhfjJobom, 

 spird brevi, anfractibus rotuiulatis, lavigatis vel leciter 

 erosis, apertiird seniilnnari, labro simplici, columelld 

 temdculd, callositate parvd latd unibilicum implente ; 

 palllde sordidefuscescente. 

 The closed Natica. Shell with a closed umbilicus, 

 subglobose, spire short, whorls rounded, smooth or 

 slightly eroded, aperture semilunar, lip simple, colu- 

 mella rather thin, with a small broad callosity fUliiig 

 the umbilicus ; light dull brown. 

 Bkoderip and Sowerby, Zool. Joui'n. vol. iv. p. 360. 

 Natica consoluhta, Courthouy. 

 Natica borealis. Beck. 

 Natica inipenia, Philippi. 

 Hab. Bay of Massachusetts, United States (taken alive in 

 stomachs of iishes, plentifully) ; Gould. 

 A duU pale brownish solid globose species, having the 

 umbilicus closed by a small broad callosity, and the aper- 

 ture by a shelly operculum. 



Species 114. (Mus. Cuming.) 



Natica Gualteriana. Nat. testa subampliter mnbili- 

 catd, subyhbosd, temdculd, spird brevi, subacutd, an- 

 fractibus rotundatis, lavigatis, juxta siduram obsolete 

 plicato-striatis, ultimo subeffuso, aperturd lunari- 

 ovatd, columelld tetmicidd, callositate spirall colum- 

 nari mnbiUcmn intrante ; stmipellucido-albd, strujis 

 pallide aurantio-riifis quadrifasciatd. 



Gualter's Natica. Shell rather largely umbilicated, sub- 

 globose, rather thin, spu-e short, rather shai-]!, whorls 

 rounded, smooth, obsoletely plicately striated next the 

 suture, last whorl rather effused, aperture lunar-ovate, 

 columella rather thin, with a spiral columnar callo- 

 sity entering the umbilicus ; semitransparent white, 

 encircled with four bands of light orange-red streaks. 



Petit, Journ. Conch, vol. i. p. 396. 



Hab. Island of Bohol, Philippines ; Cuming. 



A light subiniiated species, encircled with four bands 

 of faint orange-red close-set streaks. 



Species 115. (ilus. Cuming.) 

 Natica textilis. Nat. testa anguste profundii umbiU- 



catd, ffloboso-turbiiiatd, spird subexsertd, an/ractibiis 

 rotundatis, Icevibus, aperturd lunari-ovatd, labro tenui, 

 cohmielld parum callosd, ared nmhiUcali spiraliter ex- 

 cavatd ; fuscescente, textile irreyulari rufo-fnsco pictd. 



The textile Natica. Shell narrowly and deeply um- 

 bilicated, globosely turbinated, spire slightly exserted, 

 whorls rounded, smooth, aperture lunar-ovate, lip 

 thin, columella but little callous, umbilical area spi- 

 rally excavated; brownish, painted with an irregular 

 red-brown brocade. 



IM. ? 



A very characteristic species, painted with a red-brown 

 brocade, inteiTuptcd promiscuously with large open spots, 

 and having a smooth shelly operculum. 



Species 110. (Mus. Cuming.) 

 Natica semisulcata. Nat. testdprofmuU ampUter um- 

 biUcatd, ovatd, spird breviusculd, sutnrd canaliculatd 

 et minute lineari-stdcatd, avfractihns superne declivi- 

 coarctatis, glabris, politis, sidcis quinque ad sex line- 

 aribus eequidistantibus infra suturam ciiigulatis, aper- 

 turd lunari-ovatd, columelld partm callosd, snpernv 

 effusd; eburned. 

 The half-geooved Natica. Shell deeply largely um- 

 bilicated, ovate, spire rather short, sutm-e channelled 

 and minutely linearly grooved, whorls slantingly con- 

 tracted at the upper part, smooth, polished, encircled 

 beneath the suture with five to six equidistant linear 

 grooves, aperture lunar-ovate, columella but little 

 callous, effused at the upper part ; ivory-white. 

 Gray, Zool. Beechey's Voyage, p. 137. 

 Hab. Porto Rico. 



A subopake ivory-white species, readily distinguished 

 by its channelled suture, and by the presence of five to six 

 equidistant linear grooves round the upper contracted por- 

 tion of the whorls. 



Species 117. (Mus. Cuming.) 

 Natica pusilla. Nat. testa vix umbiUcatd, suhjlobosd, 

 spird sube.vsertd, anfractibus rotundatis, aperturd lu- 

 nari-ovatd, columelld inferue cuUoso-reflexd, callositate 

 nmbilicum fere tegente ; sordide albd vel pallide oli- 

 vaced, plus minus erosd. 



June, 1855. 



