PROSOBRANCHIATA. 
Moll. 89 
Melanopsis mourebeyensis , Morocco; Pallary, J. Conchyl. xlix, p. 228: 
n. sp. 
Meseschiza cannot stand as genus, and type is probably a synonym of 
Angitrema armigera, Say; Hinkley, Nautilus xv, p. 5. 
Reymondia foai , Tanganyika; MabiLle, Bull. Soc. Philom. iii, p. 57 : n. sp. 
Rhinomelania, n.-subgen. of Semisinus for S. zenkeri , n. sp.; Martens, 
SB. Ges. naturf. Berlin 1901, p. 26. 
Semisinus ( Rhinomelania , n. sub-gen.) zenkeri , Cameroons; Martens, t. c. 
p. 26 : n. sp. 
SOLARlIDiE, Litiopim:, Rissoiid^e, Hydrobiida:, ViviparidtE, 
Ampullariid^e, and Assimineidze. 
Alaba tervaricosa , C. B. Ad., of which melanura, Ad., is a synonym, figd.; 
Dall & Simpson, Bull. U. S. Fish Comm. 1900, i, p. 431. 
Alvania arguta (Monts. MS.), Corsica; Locard & Caziot, Ann. Soc. Linn. 
Lyon xlvii, jd. 49 : n. sp. 
Amnicola letsoni, New York; Nautilus xiv, p. 113: A. vidcani, stolli, 
Guatemela; Martens, Biol. Centr.-Amer. p. 645, figg. : n. spp. 
Ampullaria winkleyi , Burma; Pilsbry, P. Ac. Philad. 1901, p. 189, fig.: 
n. sp. 
Argyropeza , n. gen. of Litiopidce, p. 371, type A. divina, n. sp., Gulf of 
Oman, p. 372 ; Melvill & Standen, P. Zool. Soc. London 1901, ii, 
fig- 
Assiminea angustata, Japan; Pilsbry, P. Ac. Philad. 1901, p. 396; A. 
quintana, foai, Tanganyika ; Mabille, Bull. Soc. Philom. iii, p. 56 : 
n. spp. 
Bithynia striatula , n. var.; Pilsbry, P. Ac. Philad. 1901, p. 405. 
Bythinella obtusa , Lea, note on species and synonymy; Walker, Nautilus 
xv, p. 30. 
Cleopatra bulimoides , animal figd. with n. var.; Dupuis & Putzeys, Ann. 
Soc. malac. Belgique xxxvi, Bull. p. lv: C. johnstoni , Smith, note on ; 
Dautzenberg, t. c. p. 6. 
Fenella tanyspira, Karachi; Melvill & Standen, P. Zool. Soc. London 
1901, ii, p. 370, fig.: n. sp. 
Hydrobia caledonensis , Chaper, is a synonym of Tomichia ventricosa , Sby.; 
Ancey, J. Conchyl. xlix, p. 225. 
Idiopoma , n. subgen. of Vivipara, type V henzadensis , n. sp.; Pilsbry, P. 
Ac. Philad. 1901, p. 189. 
lravadia australis , Queensland ; Hedley, P. Linn. Soc. N. S. Wales xxv, 
p. 727, fig.: n. sp. 
Lanistes, notes on several African species and on the animal, with n. var. 
of L. lybicus, Morel.; Dupuis & Putzeys (171). 
Omalaxis exquisita , Porto Bico; Dall & Simpson, Bull. U. S. Fish Comm. 
1900, i, p. 432, fig.: n. sp. 
Paludestnna taylori, Cheshire ; Smith, Ann. Nat. Hist, vii, p. 192: n. sp. 
Paludina vivipara , anatomy ; Tonniges (600). 
Petterdiana thaanumi , Pils., figd.; Hedley, P. Linn. Soc. N. S. Wales 
xxv, p. 727. 
Planoi'bia albertensis, n. gen. and sp., Lake Albert Edward Nyanza ; 
Moore, ‘To the Mountains of the Moon,’ p. 260. [Both genus and 
species are undescribed.] 
Pomatiopsis hirasei is a synonym of Blanfordia bensoni ; Pilsbry, Ann. 
Nat. Hist, viii, p. 5. 
Rissoia , several Tasmanian species figd.; Tate & May, P. Linn. Soc. N. S. 
Wales xxvi, pp. 391-394. 
1901. [VOL. XXXVIII.] 
c 19 
