CYCLOSTOMUS §. 2—4. 
173 
Obs. „ Species Cyclostomati pulchro Grayi forma et colore vicina, sed 
minor, numero anfractuum (4 x / 2 nec 5) et costulis transversis, numerosis, 
parvulis (3 — 4 majoribus alternantibus) facile distinguenda. Variat colore, 
turn pallide fulvido, fusco plus minusve maculato, turn violaceo-fusco, pallide 
fulvido longitudinaliter strigato, et margine columellari turn aurantio- fusco, 
turn pallidiore.“ 
* 
30. Kraussianus (Cyclostoma) Pfr. I. 204. II. 115. III. 126. — 
Patel Cat. p. 122. — Natal. 
31. castaneus (Cyclostoma) Pfr. I. 204. II. 115. III. 126. — Ma- 
dagascar. 
32. fusculus (Cyclostoma) Pfr. I. 205. II. 115. III. 126. t~ Yemen 
Arabiae. 
(Obs. Cyclostomus 1 ? gradatus Pfr. II. 115 (Bengalia) teste Benson ad 
Bithiniam referendus est: Biihinia marginata — Valvata sulcata Soul.) 
§. 3. 
33. Madagas cariensis (Cyclostoma) Gray. I. 205. II. 116. III. 
126. — Patel Cat. p. 122. — Cyclostoma Duisabonis Grat., obsoletum 
var. Sow. — Madagascar. 
34. Boivini (Cyclostoma) Pfr. II. 116. III. 126. — Patel Cat. p. 
122. — Madagascar. 
35. unicarinatus (Cyclostoma) Lam. (Coll. 12.) I. 206. II. 117. 
III. 126. — Cyclostoma fulvifrons Sow. — Madagascar. 
36 . ? C. bipartitus Morelet. t 
„T. perspective umbilicata, depresse turbinata, basi con- 
vexa, tenuis, acute filo-carinata, lineis spiralibus eminentibus 
et strigis transversis tenuioribus decussatula, superne omnino 
alba, absque nitore; facies inferna isabellina, interruptim et 
coneentrice castaneo fasciata, fascia altera latiore carinam con- 
comitante; spira parum exserta, variabilis; anfr. 4*/ 2 convexi, 
ad suturas passim plicati; umbilicus ad apicem usque spira- 
liter liratus; apertura obliqua, sursum angulata, fere circularis; 
perist. simplex, marginibus callo junctis, dextro acuto, recto, 
ad carinam leviter angulato, columellari vix reflexiusculo. — 
Diam. maj. 21 — 22, min. 16 — 18, alt. 13 — 14 mill. 44 (M.) 
Cyclostoma bipartitum Morelet in Journ. Conch. XXIII. 1875. p. 26. t. 
1. f. 3. 
Testae subfossiles lectae in insula Rodriguez (Bewsher). 
§. 4 . 
37. vittatus (Cyclostoma) Sow. (Coll. 13.) I. 207. II. 117. III. 126. 
— Morelet Ser. conch. II. p. 106: operculum C. carinifero simile. 
— Patel Cat. p. 122. — Madagascar. 
