70 Moll 
MOLLUSC A.. 
and hourcieri (Pfr.), New Granada, Ecuador, Peru, and 
Porto Rico. 
Sect. 37. Disjunctaria (n.), C. oUgogyra, sp. n., eocene. 
38. Macroptychia (a.), C. sennaariensis (Pfr.),N.E. Africa. 
39. Bcettgeria (Heynem., 18G1), C. crispa (Lowe), and deltostoma 
(Lowe), Madeira. 
40. Olympia (Vest), C. olympica (Priv.), Mount Olympus. 
Many of these sections are subdivided into several distinct groups, 
most of them designated with the name of the typical species ; these 
species are mentioned above in their section. All known species are 
enumerated, and some new described. Glausilien-studien, 120 pp. 
Clausilia hiplicata (Mont.) var. n. nelsoni (Jolfr.), Taylor, Q. J. Conch. 
No. 11, p. 21G, Hammersmith. 
J. R. Bourguignat, Ann. Sci. Nat. (6) v. art. 4, reviews the species of 
Clausilia found in France, describing the following as new : — 
C. mongermonti, St. Jean de Maurienne in Savoy, resembling in habits 
and aspect Pupa cinerea^ and forming a special group, p. 6. 
Group of C. papillaris and solida : C. herculcsa, Monaco, marioniana, 
Marseilles, argcsensis, Hyeres Islands, enhalia^ Cannes, Antibes, Nice, and 
Monaco, sancti-honorati, Cannes, Dep. Alpes Maritimes, pp. G-14. 
Group of laminata : C. plagiostoma, Troyes, silanica, Lake Silan, Dep. 
Ain, sequanica, Nogent-sur-Seine, emeria, Vall4e du Guil, Hautes- Alpes, 
pp. 15-20. 
Group of punctata (Mich.) : C. veranii and viriata, Alpes Maritimes, 
on rocks, pp. 23 & 24. 
Group of ventricosa and rolphi : C. micropleurus^ Dep. Ain, Aube, and 
Aisne, earina^ Valley of the Rhone, carthusiana, near Grande Chartreuse, 
Dep. Isere, onixiomicra, Dep. Sarthe and Hautes-PyrenGes, digonostoma, 
Bagneres de Luchon, Haute-Garonne, pp. 25-34. 
Group of plicatula : C. milne-edwardsi, Ensisheim, Alsace, matronica, 
Jaulgonne, Dep. Aisne, sabaudina, Aix-les-Bains, Savoy, leia [-/m], Alpes 
Maritimes, pp. 35-44. 
Group of plicata and hiplicata : C. gihhosa, Neu Breisach, Alsace, 
plagiay Alsace and Lucerne, alasthena, Jura, near Pontarlier and Lucerne, 
pp. 44-50. • 
Clausilia laminata var. n. triloba, Carniolia and Croatia, pelagosana, 
Pelagosa Island in the Adriatic, as subspecies of gibbula (Z,), stossichi, 
Dalmatia, sulcosa var. n. atractoides, Dalmatia, albicosta, Macedonia, 
dextrorsa, Macedonia, perplexa, Macedonia, pirostoma, Croatia, perlucens, 
Caucasus, ossetica (Bayer, nec Parr.), unicristata, Transcaucasia, all new 
species or varieties ; Bottger, Nachr. mal. Ges. 1877, pp. 65-70 & 74-76. 
The same and C. cognata, Dalmatia, and raricosta, Croatia, spp. nn., 
described by the same in Clausilien-studien, pp. 31, 34, 38, 40, 46, 52, 69, 
85, & 94. C. incerta (Benoit) and its difference from stigmatica (Ziegl.) ; 
id. 1. c. p. 34. 
Clausilia itala (Mart.). The numerous varieties are arranged by 
