136 Zoological Society. 



Natica, Adanson. 



A. Umbilicum funiculatum. 



Obs. — Funiculus. Columna callosa auctorum, columella adhaerens 

 et in umbilico spiraliter contorta, apice plus minusve dilatato, trun- 

 cate-, rariiis convexo aut rotundato. 



* Testa subglobosa; operculum testaceum. Gen. Nacca, Risso. 



1. Natica picta. Nat. testd ventricoso-globosd, tenuiusculd, Icevi- 

 gatd luteo-rufescente, albo anguste 3—4 fasciatd : fasciis remotis 

 maculis spadiceis sagittatis articulatis, superd ad suturam spadiceo- 

 marginatd; spird convexo-conicd, apice spadiced ; aperturd intus 



fulvd ; columelld rectd, basim versus concaviusculd, superne breviter 

 reflexd ; umbilico coarctato, quadrato ; canali arcuato, extiis zond 

 albd maculis spadiceis undulatis radiate ; funiculo crasso canalem 

 angustante. 

 Hab. "Basey, island of Samar, Philippines ; found on the reefs." 

 H. Cuming. 



Testd f undo pallide chccolato, fascid supremd rarb maculis supremis 

 majoribus et intensioribus ; anfractibus quinis, convexis, superne 

 depressiusculis . 



2. Natica euzona. Nat. testd ventricoso-globosd, tenui, albd, 

 lineolis creberrimis longitudinalibus luteo -spadiceis et fasciis tribus 

 e maculis sagittiformibus concoloribus, in supremd angulatis pictd ■ 

 spird convexo-acutd ; aperturd albidd, basi et externe subacutd ; 

 labio rectiusculo, superne breviter reflexo et tenuissimo ; umbilico 

 rotundato extus zond albd maculis spadiceis circumdato ; funiculo 

 angusto, superne inter dum rotundato et dilatato cavitates angus- 

 tante ; labro fragili. 



Operculum testaceum, tenue, lineolis elevatis 2-3 antice cinctum. 



An Nat. zebra, var. ? 



Hab. "With Natica zebra from Cagayan, province of Misamis, 

 island of Mindanao ; found in sandy mud at twenty-five fathoms : 

 and with Natica areolata from the isle of Capul, Philippines ; on the 

 reefs." H. Cuming. 



3. Natica orientalis, Gmelin. 



Var. y. Testd rufd, suturd anguste canaliculatd, albd. 



Var. h. Testd subepidermide fuscescente albidd, suturd canaliculatd, 



epidermide fusco creberrime striatd. 

 Var. e. ? Testd minor, subepidermide pallide fusco -albd, zonis binis e 



maculis elongato-quadratis spadiceis seriatim pictd ; suturd pro- 



fundd, epidermide fusco creberrime striatd; aperturd basi minus 



auctd et acutd ; funiculo coarctato. 

 Hab. " Singapore ; found in sandy mud." H. Cuming. 



4. Natica Broderipiana. Nat. testd globoso-ovatd, solidiusculd, 

 luted seu pallide fused, zonis albis spadiceo maculatis cinctd, lon- 

 gitudinaliter tenuiter sulcatd : sulcis superne et inferne profun- 

 dioribus ; spird conico-acutd, apice fusco- spadiced ; suturd fasciold 

 albo marginatd ; aperturd basi et externe angulosd ; columelld in 



