968 
Me galomastoma guatemalense L. Pfeiffer, Monogr. Pneumon. vol. I p. 132. 
— (Cyclostoma) Crosse & Fischer, in: J. deConchyl. 1872 vol 20 
p. 76. — G. B. Sowerby, Thesaurus conch. v. 3 t. 263 fig. 6. — 
(Tomocyclus) Martens, Biologia Centr. amer., Moll. p. 11. 
Tomocyclus guatemalensis P. Fischer & Crosse, in: Exped. mission scient. 
Mexique vol. 7 II p. 124 t. 40 fig. 11. — Kobelt & Moellendorff, 
Catal. Pneum., in: Nachrbl. D. rnalak. Ges. 1897 vol. 29 p. 141. 
— Kobelt, Cyclophoridae, in: Tierreich, Heft 16 p. 270. 
Aufenthalt in Guatemala: Vera Paz in Nord-Guatemala. — San Martin Tuxtla 
im Süden des Staates Vera Cruz in Mexico (Boucard, Salle fide Martens). 
3. Tomocyclus simulacrum Morelet. 
(Taf. 36. Fig. 11. 12). Taf. 144. Fig. 3. 4. 
Testa anguste perforata, turrita, late truncata, fere laevigata, vix nitidula, unicolor 
virenti-fusca vel castanea; spira elongata, sensim attenuata; sutura albido marginata, sub 
vitro fortiore subtilissime crenulata. Anfractus superstites 57 2 - 6 convexiusculi, regulariter 
accrescentes, ultimus circa perforationem carina filiformi distincta, versus aperturam subite 
evanescente munitus, antice breviter descendens, subsolutus, supra carinam distinctius stria- 
tus. Apertura verticalis, fere circularis; peristoma duplex, internum breviter porrectum, ad 
columellam incisura peculiari subexcisum, externum late expansum, ad perforationem inter- 
ruptum, intus concavum, supra subauriculatum, appressum. — Operculum corneum, margine 
incrassato, medio concaviusculo; gyris medio parum distinctis, tuberculo centrali lateris in- 
terni parum prominente. 
Alt. 35, diam. maj. 16, alt. apert. cum perist. 12, lat. 11, diam. int. 8 mm. 
Cyclostoma simulacrum Morelet, Testac. noviss. cuban. 1849 p. 22. — 
L. Pfeiffer, in: Martini & Chemnitz, Conch. Cab. p. 267 t. 36 
fig. 11. 22. — (Megalomastoma) L. Pfr. Monogr. Pneum. vol. 1 
p. 131. — (M.) Tristram, in: Pr. zool. Soc. London 1861 p. 232 
— (M.) G. B. Sowerby, Thes. Conchyl. vol. 3 t. 263 fig. 3. 4. — 
(M. Tomocyclus) Martens, Biologia Centrali americana, Moll, 
p. 10. — (Tomocyclus) Crosse & Fischer, in: J. de Conchyl. 1882 
vol. 20 p. 76. — L. Pfeiffer, Monogr. Pneum vol. 4 p. 140. — 
P. Fischer & Crosse, Miss, scient. Mexique vol. 7 II p. 121 1. 40 
fig. 9; t. 44 fig. 1. — Kobelt & Moellendorff, Catal. Pneum. in: 
Nachr. D. malak. Ges. 1897 vol. 29 p. 141. — Kobelt, Cyclopho- 
ridae, in: Tierreich, Heft 16 p. 270. 
