HELIX. 23 



Xerophila, Crenea, Macularia, Campylaea, Catnaena, Arianta, 

 Glaphyra, Ochthephila, Gastrodonta, Endodonta, Sagda, Atopa, 

 Ophiogyra, Aegista, Chloritis, Erigone, Phasis, Sterna, Drepano- 

 stoma, Gonostoma, Ulostoma^ Patera, Archelix, Phaedra, Coryda, 

 Galaxias, Pomatia, Helicostyla, Callicochlias, Aglaja, Pachya, 

 Erepta, Acavus, Leiocheila, Amphidoxa, Helicophanta, Corasia, 

 Parthena, Chloraea, Axina, Dialeiica, Geotrochus, Mitra, Rotula, 

 Trochomorpha , Discus, Chilolrema, Thea, Philina, Carocolla, 

 Labyrinthus, Pleurodonta, Dentellaria, Mycena, Janira, Pachy- 

 stoma, Eurystoma, Isomeria, Solaropsis, Ampetita, Macrocyclis, 

 Paryphanta). 



Species Qiihi iioias simili ac in Monograpliia, sed emen- 

 dato ordine enumerabo, emissis illis e §§. 47 et 48 (Monogra- 

 phiae), quae (praeter loimam Bulimis typicis similem) apertura 

 praeditae sunt, cujus diameter longitudinah's axi subparallela 

 observatur. 



Conspectus emendatus specierum. 



A. Helicophaiitoideae, 



i. umbilicatae §. 1 . Nr. 1—3. 



2. subperforatae vel imperforatae §. 2. — 4 — 10. 



B. Genuinae: 



I. Peristomate recto, 

 \ . subsimpHce. 

 a. Imperforatae , 

 a. ecarinatae 



* globosae §. 3. _ H — 33. 



** subturbinatae §. 4. — 34 — 42. 



*** depressae §. 5.-43 — 55. 



**** discoideae §. 



p. carinatae §. 



6. Perforatae vel angustissime umbilicatae 



a globosae §. 



^. subturbinatae 



* ecarinatae §. 9. — 104 — 150. 



** carinalae §. i 0. — 1 51 — 1 85. 



y. depressae, 



* ecarinatae 



f laevigatae aut substriatae §. 11. — 186 — 230. 

 •H* costulatae, plicalae vel 



rugoso-striatae ....§. 12. — 231—249. 



tH decussatae §. 13. — 250 — 269. 



M 1 1 granulatae aut pilosae . §. 1 4. — 270 — 275. 



** carinatae §. 1 6. — 276 — 309. 



c. Umbilicatae 

 a. ecarinatae 



