MEGALOMASTOMA $. 2—4. 131 
17. eylindraceum (Helix) Chemn. (Coll 13.) I. 124. II. 84. III. 
87. — JPütel Cat. p. 120. — Helix crocea Gmel. — Turbo croceus 
Dillw., flavidus Wood. —/ Cyclostoma flavula Lam., flavidum Gray, 
crocea. Desh. — Farcimen flavulum Trosch., cylindraceum Gray. — 
Portorico. 
18. M. Hjalmarsoni Pfr. 
T. rimato-subperforata, elongato-pupaeformis, solida, alba, 
epidermide tenuissima, nitidula, virenti-cerea, passim decidua, 
induta; spira ovato-turrita, sursum sensim attenuata, apice 
conico, acutiusculo; sutura parum impressa, marginata; anfr. 8 
convexiusculi, sensim acerescentes, supremi eleganter oblique 
striati, sequentes confertissime filoso-striati, ultimus sublaevi- 
gatus, !/, longitudinis formans, basi compressus, leviter arcuato- 
cristatus; apertura verticalis, fere circularis, sursum obsolete 
angulata, intus crocea; perist. subrectum (vix expansiusculum), 
leviter incrassatum, anfractui contiguo sublonge adnatum, su- 
perne angulatim. subproductum. —  Operculum tenuissimum, 
castaneo-rubellum, extus concaviuseculum. — Long. 15—21, 
diam. 7—9 mill. 
Megalomastoma Hjalmarsoni Pfr. in Malak. Bl. XXII. (1875.) p. 119. 
Habitat in districto Lares partis occidentalis insulae Por- 
torico (Gundlach). 
* 
19. Orbignyi (Cyclostoma) P fr. (Coll. 14.) I. 130. II. 84. III. 87. 
— Pütel Cat. p. 120. — Haiti. 
$. 3. 
20. Antillarum (Cyclostoma) Sow. (Coll. 15.) I. 135. II. 84. III. 
87. — .Pütel Cat. p. 120. —  Megalomastoma brunnea Guild. — 
Ins. Tortola, St. Thomas. 
21. verruculosum (Cyclostoma) Shuttl. (Coll. 16.) II. 86. III. 87. 
— AMegalommastoma, verriculum Pütel Cat. p. 120. — Portorico. 
Obs. Ad hane sectionem conferatur genus Z'omocyclus Crosse & Fisch. 
S. 4. 
22. altum (Cycelostoma) Sow. (Coll. 17.) I. 132. II. 84. III. 87. — 
Pütel Cat. p. 120. —  Coptocheilus altus Gould. — Ins. Philippin. 
23. sectilabrum Gould. II. 84. III. 87. —  jStoliezka in Journ. As. 
Soc. XLI. 1872. Pt. 2. p. 268. t. 10. f. 13. —  Coptocheilus secti- 
labris Gould. —  Megalommastoma sectilabre Pütel Cat. p. 190. — 
Birmania, ins. Penang. 
24. Anostoma (Cyelostoma) Bens. (Cofl 18.) II. 85. III. 87. — 
AMartens Ostas. Zool. II. p. 154. —  Pütel Cat. p. 120. —  Issel 
Moll. Born. p. 66. t. 6. f. 16. 17. —  Megalomastoma sectilabrum 
