GASTROPODA (PULMONATA) . 
Moll. 59 
M. battimalvensis , n. sp., Battemalve I. ; id. t. c. p. 58. M. apex, n. sp., 
Guangdung ; MOllendorff, (4) p. 39. M. subcarinata, n. sp., Bulacan, 
Philippines ; id. (5) p. 80. 
M. (Macroceras) fasciata, n. sp., Bulacan; id. ibid. 
Mariaella arayentensis, Semp., is a Vitrinopsis ; id. (l)p. 117. 
Mesolimax , n. g. Limaciform, foot with an oblique groove ; shell with 
a central nucleus as in Amalia. Generative organs as in Limax ; radula 
as in A griolimax and Malacolimax ; for M. brauni, u. sp., Asia Minor j 
Pollonera, (2) p. 8, pi. ii, figs. 19-23. 
Microcystina hochstetteri , n. sp., Nicobar Is.; Godwin-Austen, (2)p. 57. 
Nanina laurentiana , n. sp., Hoop6 ; Gredler, (1) p. 343. N.fellea, 
n. sp., China ; Heude, p. 240. N. blainvilleana and allied forms critically 
discussed ; MOllendorff, (1) p. 120. N. vitrinoides (Desh.), of Hidalgo 
(J. de Conch. 1887, p. 46), is a Macrochlamys ; id. t. c. p. 117. N. hum- 
phreysiana, Lea, var. complanata of Hidalgo (J. de Conch. 1887, p. 51), is 
Xesta mindanaensis , Semp. ; id. t. c. p. 122. N. atropos , Mafor ; Tap- 
tarone-Canefrt, p. 147. 
Paralimax multirugatus , n. sp., Caucasus; Bcettger, (2) p. 149. 
Parmacella valenciennesi , varr. of ; CockereDl, T. D. A. (1). 
Plianeroporus , n. g. ; vas deferens devoid of calcareous sac ; shell visible 
externally ; for P. reinhardti , n. sp. {sine descr .), Ethiopian region ; 
Simroth, (5) p. 88. 
Pcecilozonites , Boettger ( non Sandberger), re-defined, 4 species diagnosed 
and figured, none new ; Pilsbry (4). 
Rhysota nigrescens , n. sp., Manila ; MOllendorff, (5) p. 86. 
Sitala trochulus , n. sp., Shoa ; Pollonera, (1) and (5) p. 62, pis. ii, 
fig. 32, & iii, figs. 19-21. S. carnigera , Ramoi, p. 152, S. propinqua, Mount 
Arfak, p. 153 ; Tapparone-Canefri. 
Trichotoxon, n. g. ; penis part of the vas deferens ; two or three dart 
sacs, each with two permanent darts, provided with a bristly sheath of 
conchiolin ; for T. heynemanni , and T. martensi, n. spp., Ethiopian region ; 
Simroth, (5) p. 87. 
Urocyclus. African slugs not of this genus, as maintained by Fischer ; 
id. (3). 
Vitrina licatce , V. ragazzii , V. bianchii , V. giuliettii, V. martinii , V. 
antonellii , n. spp., Shoa ; Pollonera (1) : also with figures ; id. (5) pp. 
56-60, pi. ii. 
Vitrinopsis , catalogue of known species (6) ; MOllendorff, (3) pp. 
153-155. V. cebuana, n. sp., Cebu ; id. t. c. p. 152, pi. iv, fig. 10. 
Helicidjo. 
Acanthoptyx , n. g., for Helix acanthimda, Crosse, New Caledonia ; 
Ancey, (2) p. 370. 
Allognathus , n. sect. Pentatamice, jaw devoid of strong ribs; for II. 
grateloupi, Graells ; Pilsbry, (2) p. 149. 
Atlantica , n. g., for Helix semiplicata , Pfeiffer ; Ancey, (3) p. 54. 
Averellia , n. n. for Codospira , Ancey ( nec Hall) ; id. (4). 
Bathyaxis, n. g., for Goiliaxis layardi, Ad. & Angas ; id. op. cit. p. 39. 
