PROSOBRANCHIATA. 
Moll . 67 
Ditropis decollata , p. 109, conulina, pyramidata, p. 110, corniculum , p. Ill, 
Philippines, Moellendorff, 13ei\ Senckenberg. Ges. 1893, figg., 
n. spp. 
Geothauma , Crosse, and Gyrostropha, Ancey, are unnecessary genera; 
Smith, Ann. Nat. Hist, xi, pp. 284 & 285. 
Helicomorpha quadrasi , p. 121, appendiculata , p. 122, depressa , p. 123, 
Philippines, Moellendorff, Ber. Senckenberg. Ges. 1893, figg., 
n. spp. 
Lagocheilus barilensis, jucundus, p. 344, inomatus, altus , p.345, borneensis, 
p. 346, Borneo, Smith, J. Linn. Soc. xxiv, figg. ; L. similis, Balabec 
and Palawan, Smith, Ann. Nat. Hist, xi, p. 352, figg. ; L. concolor , 
Philippines, Moellendorff, Ber. Senckenberg. Ges. 1893, p. 117, 
figg. : n. spp. 
Leptopoma : the supposed New Zealand species, probably a Lagochilus ; 
Moellendorff, P. Linn. Soc. N. S. Wales, vii, p. 385. 
L. palawanemis , Palawau, Smith, Ann. Nat. Hist, xi, p. 352, fig. ; L. 
quadrasi , Philippines, Moellendorff, Ber. Senckenberg. Ges. 1893, 
p. 120, figg. ; L. subalatum , Luzon, Quadras & Moellendorff, 
Nachrbl. dcutsch. malak. Ges. 1893, p. 179 : n. spp. 
Moulinsia quadrasi , Luzon, Moellendorff in Quadras & Moellen- 
dorff, Nachrbl. deutsch. malak. Ges. 1893, p. 180, n. sp. 
Opisthostoma mirabile , everelti, p. 346, jucundum , wallacei , baritense , 
p. 347, busauense , p. 348, Borneo, Smith, *J. Linn. Soc. xxiv, figg.; 
0. otostoma , Borneo, Boettger, Nachrbl. deutsch. malak. Ges. 1893, 
p. 194 : n. spp. 
Palaina conspicua , p. 180, cristata , modesta , p. 181, Luzon, Quadras & 
Moellendorff, Nachrbl. deutsch. malak. Ges. 1893; P. mirabilis, 
Philippines, Moellendorff, Ber. Senckenberg. Ges. p. 127, figg. ; 
n. spp. 
Papina dorri , Tonkin, Dautzenbeeg, J. Conchyl. xli, p. 164, fig., 
n. sp. 
Pupinella quadrasi , Luzon, Moellendorff in Quadras & Moellen- 
dorff, Nachrbl. deutsch. malak. Ges. 1893, n. sp. 
Rhiostoma boxalli, Borneo, Godwin-Austen, Ann. Nat. Hist, xii, p. 32, 
figg , n. sp. 
Cyclostomatid^s and Truncatellid^i. 
Acroplychia albocincta , n.sp., Madagascar ; Smith, Concbologist, ii,p. 130, 
figg., with fig. of A. rxotabilis. 
Qmplialotropis columellaris , semperi , Luzon, Quadras & Moellendorff, 
Nachrbl. deutsch. malak. Ges. 1893, p. 183 ; O. ( Solenomphala ) 
conjungens, Philippines, Moellendorff, Ber. Senckenberg. Ges. 
1893, p. 136, figg. : n. spp. 
