[1921] 
VIII. Mollusca. 
Moll. 43 
Helix ( Tachea ) atrolabiata var. Jco- 
tnareki subsp. n. Caucasus, Franken- 
berger Arch. Natg. 83A pt. 2 p. 75 
fig. 5. 
Idiomela subgen. n., Cockerell 
Proc. Malac. Soc. 14 p. 192. 
Isognomostoma, Piaget 348. 
Jacosta, Gude & Woodward 208 & 
209. 
Leptaxis undata var. n. grandior 
Madeira, Cockerell Nautilus 34 p. 
114. — L., Cockerell 114. 
Leucochroa candidissima, Cabanas 87. 
Monacha fallax sp. n. Jugo Slavia, 
Wagner Anz. Ak. Wiss. Wien 51 
p. 337. 
Monachella nom. n. Type Helix 
incarnata Muller, Gude & Woodward 
Proc. Malac. Soc. 14 p. 179. 
Monachoides nom. n. for Monachella, 
Gude & Woodward Ann. Mag. Nat. 
Hist. 8 p. 625. 
Monilearia, Gude & Woodward 
209. 
Obba marginata balutensis, m. boho- 
lensis, m. pelmasensis, m. mearnsi, 
m. zamboanga, m. lanaon, m. joloensis, 
m. samarensis subspp. n. Philippines, 
Bartsoh J. Wash. Acad. Sci. 8 pp. 62- 
63. — 0. rota perezi, r. panglaoensis, 
moricandi hernandezensis, scrobiculata 
valenciensis subspp. n. Philippines, 
Bartsch J. Wash. Acad. Sci. 8 pp. 16- 
17. 
Obelus, Gude & Woodward 209. 
Oreohelix maculata sp. n. Wyoming, 
Henderson Nautilus 35 p. 15. — 0 ., 
Vanatta 457. 
Patula, Pallary 341. — P., Piaget 
348. 
f Patula pontileviensis sp. n. Tertiary, 
France, de Morgan Bull. soc. geol. 19 
1920 p. 310. 
Perforatella, Gude & Woodward 
208. 
Petasiella nom. n. Type Helix uni- 
dentata Drap., Gude & Woodward 
Proc. Malac. Soc. 14 p. 180. 
Plebecula with P. punctulala var. n. [?] 
lactescens Madeira, Cockerell 
Nautilus 34 p. 136. — P. bowditchiana, 
Cockerell 112. — P., Cockerell 114. 
f Plebecula bowditchiana with var. n. 
[?] reducta Madeira, Cockerell Nautilus 
34 p. 134. 
Polygyra sierrana, Columbiana shasta 
sp. & subsp. n. California, Berry 
Nautilus 35 pp. 36-37. 
Punctum, Piaget 348. 
Pupillidae, Gude & Woodward 209. 
Pyramidula rotundata var. alba, 
Bacchus 22. — P., Piaget 348. 
Radiodiscus mariae sp. n. Bogota, 
Pilsbry Nautilus 35 p. 49. 
Semifruticicola gen. n. with S. 
serbica sp. n. Jugo Slavia, Wagner 
Anz. Ak. Wiss. Wien 51 pp. 336-337. — 
S. gen. n. with S. serbica sp. n. Balkans, 
Wagner Denk. Ak. Wiss. Wien 91 
pp. 490-491. 
Tachea, Pallary 341 — T., Piaget 
348. 
Theba, Gude & Woodward 209. 
Trochoidea, Gude & Woodward 208. 
Trochomorphidae, Gude & Wood- 
ward 209. 
Vallonia, Piaget 348. 
Xerocampylaea, Gude & Woodward 
209. 
Xeroclivia, Gude & Woodward 209. 
Xerocrassa, Gude & Woodward 
209. 
Xeroleuca, Gude & Woodward 209. 
Xerophila, Gude & Woodward 209. 
— X., Pallary 341. — X., Piaget 348. 
Zenobiella nom. n. Type Helix subru- 
fescens Miller, Gude & Woodward 
Proc. Malac. Soc. 14 p. 179. 
Bulimid.®, Orthalicid^e and Buli- 
MULIDiE. 
Adenodia group n. Bulimulus, Dall 
J. Wash. Acad. Sci. 10 p. 119. 
Bulimulus, Dall 137. 
f Bulimulus ( Drymaeus ) ponti- 
leviensis sp. n. Tertiary, France, de 
Morgan Bull. soc. geol. 19 p. 314. 
Granella group n. Bulimulus, Dall 
J. Wash. Acad. Sci. 10 p. 121. 
Granitza group n. Bulimulus, Dall 
J. Wash. Acad. Sci. 10 p. 121. 
