Zoological Society. 143 



superrie et in medio ventris subtriseriatis pictd ; spird parvd, sub- 

 conicd, acutd; aperturd semirotundd, in f undo violaced ; columelld 

 redd, bast crassiusculd, superrie callosd, callo fusco-rubente, supra 

 umbilicum parvum, exterrie refiexum, curvum, et angulatum, partim 

 occultante. 



Var. (3. Testd ad suturam fascid albd, latd, spirant decurrente pictd ; 

 spird apice fusco-violascente. 



Operculum testaceum, album, striis obsoletis ornatum,postice margine 

 tenuiter crenatum, antice lined elevatd cinctum, apicem versus la- 

 vissime callosum. 



Natica intricata (Nerita intricata, Donovan) minor, minus globosa, 

 umbilicus nee funiculatus differt. 



Hab. " Island of Burias, Philippines ; found in sandy mud at seven 

 fathoms." H. Cuming. 



25. Natica Raynoldiana. Nat. testd subglobosd, crassiusculd, 

 tenuis sime et dense striatd, albd seu dilute aurantio-fulvd, spadiceo 

 trifasciatd et seepe reticulatd ; anfractibus spirce depresso-convexis, 

 infimo rotundato ; spird depresso-conicd, subacutd, fused ; aperturd 

 semirotundd, albd; columelld subrectd, utrinque arcuatd, superrie 

 callosd, incrassatd ; callo albo, umbilicum exttts albo-zonatum par- 

 tim occultante. 



Var. /3. Testd dilute aurantio-fulvd, spadiceo -trifasciatd nee reticu- 

 latd. 

 Var. y. Testd albd seu albidd maculis spadiceis triseriaiis cinctd 



interdum lineis reticulatd, seu lineis confiuentibus subjlammulatd. 

 Var. S. ? Testd globoso-ovatd, albd seu pallide aurantid, lineis reti- 



culatis pictd, nee fasciatd. 

 An Nerita arachnoidea, Gmelin, p. 3674. no. 17 ? Chemnitz, Conch. 

 v. pi. 188. fig. 1915, 1916, optima (Mus. Paris), non Natica arach- 

 noidea, Lamarck (Natica cruentata, var. trifasciata, nobis). 



Hab. " Zanzebar, East Africa; found on the sands by Mr. T. 

 Thorre. Cagayan, province of Misamis, island of Mindanao ; found 

 on sandy mud." H. Cuming. Trincomalee, bay of Ceylon, by M 8 

 Raynaud (Mus. Paris). Var. L patriam ignore 



26. Natica gallapagosa. Nat. testd globoso-acutd, subepider- 

 mide dilute olivaceo- albd, fascid largd carneo-rufescente aut viri- 

 descente, superrie fascid pallide rufd cinctd ; anfractibus quinis 

 subplanis : infimo ventricoso, superrie declivi, planiusculo ; spird 

 parvuld, conico-depressd, rufo-fulvd, acutd ; aperturd semirotundd, 

 albd, obliqud; columelld oblique redd, superne calloso-angulatd, 

 ad umbilicum parvum, partim occultante refiexd. 



Operculum cartilagineum, olivaceo-fuscum tenuissime radiatim stria- 

 tum, aperturd testce minus. 

 Hab. " Gallapagos Islands; found in coral sand at Albemarle 

 island." H. Cuming. 



27. Natica pisiformis. Nat. testd minimd, subglobosd, albido- 

 viridescente, subpellucidd ; anfractibus depressis, infimo ventricoso, 

 superrie scepius subanguloso, Icevigatis ; spird depresso-conicd seu 

 planulatd, vix exsertd ; aperturd semirotundd; columelld redd, 



