VII. MOLLUSCA. 
76 Moll 
[ 1905 ] 
( Morckiella ) lankaensis , Ceylon ; Preston, J. Malac. xii, p. J), figg. : 
n. spp. 
iSomatogyrus walkerianus , Alabama ; Aldrich, Nautilus xviii, p. 140, 
fig. : n. sp. 
Stenothyra monilifera , Bens., figd. ; Dautzenberg & Fischer, J. Conchyl. 
liii, p. 153. ; 
Torinia densegranosa , Japan; Pilsbry, P. Ac. Philad. 1905, p. 10G, fig. : 
n. sp. 
Valvata leivisi , n. var. ; Dall (165), p. 123. 
Valvata nylanderi , Maine ; Dall (165), p. 122 : n. sp. 
Vitrella , n. varr. from Wurttemberg ; Geyer (234). 
Vitrella saxigena , p. 297, gonostoma , p. 299, suevica , p. 300, Wurttemberg ; 
Geyer, Jahresh. Ver. Wurttemb. lxi, figg. : n. spp. 
Vivipara contecta , sinistra! ; Standen (558) : V. contecta, n. var. ; Taylor, 
J. Conch, xi, p. 144. 
Vivipara densestriata , Zambesi River ; Preston, P. Malac. Soc. London vi, 
p. 300, fig. : V. passargei , Kalahari ; Martens (385), p. 757, fig. : V. 
foai , Tanganyika, leaf anti, Lake Tchad ; Germain, Bull. Mus. Paris xi, 
p. 257 : n. spp. 
1 Cyclophorida£ and Cyclostomatida:. 
Alycceus varius , Formosa ; Pilsbry & Hirase, P. Ac. Philad. 1905, p. 729: 
n. sp. 
Gataulus, notes on with n. var. of G. marginatum ; Sykes (587). 
Cataidus smit/ii , prestoni , p. 56, congener , p. 57, Ceylon ; Sykes, J. Malac. 
xii, figg. : n. spp. 
Cyathopoma taiwanicum , Formosa ; Pilsbry & Hirase, P. Ac. Philad. 
1905, p. 724 : n. sp. 
Cyclophorus unions, Mabille, figd. ; Dautzenberg & Fischer, J. Conchyl. 
liii, p. 167 : C. turgidus , n. subsp. ; Pilsbry & Hirase, P. Ac. Philad. 
1905, p. 705. 
Cyclostomatidce , revision of American groups ; Dall, P. Malac. Soc. 
London vi, p. 208 : G. sulcatum , Drap., and allied spp., note on ; 
Caziot (96). 
Gyclotus taivanus, n. subsp. ; Pilsbry & Hirase, P. Ac. Philad. 1905, 
p. 705 : G. taivanuSySwinhoeiyminutuSyU. subspp. ; Pilsbry & Hirase, 
t. c. p. 723. 
Gyclotus ( Eucylotus ) amabilis, N. Borneo ; Fulton, Ann. Nat. Hist, xv, 
p. 93 : n. sp. 
Diplommatina tokunoshimana , tosana, n. subspp. ; Pilsbry & Hirase, 
P. Ac. Philad. 1905, p. 706. 
Diplommatina ( Gastroptychia ) electa , N. Borneo ; Fulton, Ann. Nat. 
Hist, xv, p. 94 : D. ( Nicida ) lankaensis , (A.) delectabilis, Ceylon ; 
Preston, J. Malac. xii, p. 9, figg. : D. taiwanica , p. 726, camura, prava, 
p. 727, Formosa ; Pilsbry & Hirase, P. Ac. Philad. 1905 : n. spp. 
Hybocystis gravida , crossei , and rochebrunei are all the same ; Dautzen- 
berg & Fischer, J. Conchyl. liii, p. 171. 
Japonia zebra , p. 722, formosana, p. 723, Formosa; Pilsbry & Hirase, 
P. Ac. Philad. 1905 : n. spp. 
Lagochilus scissimargo , Bens., fischeri , Mori., notes on with figg. and 
n. varr. ; Dautzenberg & Fischer, J. Conchyl. liii, p. 169. 
Lagochilus proprium , Borneo ; Fulton, Ann. Nat. Hist, xv, p. 93 : n. sp. 
Opisthosivhoiiy n. gen., type Ghondropoma bahamenscy Slnittl. ; Dall, 
P. Malac. Soc. London vi, p. 209. 
Opisthostoma fraternum , North Borneo ; Smith, Ann. Nat. Hist, xv, 
p. 360 : 0. shelf ordiy sadongense , p. 169 , picsingense, p. 190, Sarawak ; 
Smith, P. Malac. Soc. London vi, figg. : n. spp. 
