84 
CYCLOPIIORUS §. 6. 
conoidea, acutiuscula; sntura profunda; anfr. 5 parum con- 
vexi, ultimus recedens, basi striatulus, subplanus, circa umbi- 
licum latiusculum subcarinatus ; apertura obliqua, circularis; 
perist. simplex, continuum, breviter adnatum, rectum, obtusum. 
— Operc. ? — Diam. maj. 12, min. 10 V 3 , alt. 8 mill. (Mus. 
Cuming.) 
Cycloslorna sing alum Gould in Proc. Bost. Soc. 1847. p. 204 ct 
Exped. shells p. 38. Ed. 1851. p. 102. f. 117. 
— — Chemn. ed. II. N. 303. t 40. f. 15 16. 
Cyclophorus sirigatus Pfr. Consp. N. 115. 
Habitat Upolu Insularum Pacificarum. 
145 53. C. tiarsa C3 «mbM. 
T. solida, turbinata, rudis, distorta, sordide alba, late um- 
bUicata ; spira anfr. 5 laxis, rotundatis, spiraliter liratis, super- 
nis undulatis, inter liros lineis incrementalibus conferte clathra- 
tis; apertura circularis, peritremate simplici. — Lat. 3 / 4 , alt. 
'U poll. (G.) 
Cyclostorna (lava Gould in Proc. Bost. Soc. 1847. p. 204 et Exped. 
shells p. 37. Ed. 1851. p. 101. f. 116. 
Cyclophorus l tar a Pfr . Consp. N. 116. 
Habitat Upolu Insularum Pacificarum. 
O b s. Species 2 praecedentibus peraffinis, 
146 54. CL? oMagattas -{* 
T. parva, crassa, subglobosa, cinerea, arete perforata, 
utrinque sulcis et costulis acutis subcrenulatis aequalibus cincta, 
et lineis incrementi subtilissimis striata; spira acuta, anfr. 5 
rotundatis ; apertura parva, ovata , peristomate simplice, crasso. 
— Lat. 5 / j6 , alt. 3 / 8 poll. (G.) 
Cyclostoma obligatum Gould in Proc. Bost. Soc. 1847. p. 205 et Ex- 
ped. shells p. 38. Ed. 1851. p. 104. f. 119. 
Cyclophorus ? obligatus Pfr. Consp. N. 117. 
Habitat in insula Matea. 
*) T. solida, orbiculato-conica , pallide beryllina, supra costulis cingu- 
lata, infra subplanulata, umbilico amplo et carina acuta impendente limitato 
perforata: spira anfr. 5 convexis, sutura bene discretis , ultimo prope aper- 
turam despecto , fere disjuncto ; apertura circularis ; peristomate simplici , 
everso, acuto. — Long. 9 / 20 , alt. 3 / l0 poll. (Gould 1. c.) 
