42 Moll. 
VIJT. Mollusca. 
[1912] 
Certain slugs injurious to Pine 
trees. Dublin Econ. Proc. R. Soc. 2 
p. 76. 
VARIATION AND ETIOLOGY. 
2223 
General Treatises. 
Variation in Lymnaea reflexa Say, 
from Huron county ; Baker, 23. 
Variation in some Jamaican species 
of Pleurodonte ; Brown, 61. 
Les C6phalopodes adapts a la vie 
nectique secondaire et & la vie benthique 
tertiaire; Dollo, 151. 
Neritina fluviatilis Mull. ; Hilbert, 
267. 
Phyra gyrina, variation of ; Hinkley, 
271. 
S trombus pugilis , Lin. variation of ; 
Johnson, 303. 
V ererbungs wissenschaf tliche Miszel- 
lon ; Lang, 361. 
Variationsstatistik einiger Didacna- 
Arton ; Astroumov, 442. 
Margaritifera and Aviculoidea , notes 
on ; Southwell, 675. 
Colour mutation in Hyalinia Helve- 
tica, Blum. ; Oldham, 429. 
Variation in Littorina litorea, L. 
J. Conch. Leeds 13 p. 340. 
Teratology, Phylogeny and 
Relationship. 
Sealariform Helix aspersa, Muller. 
J. Conch. Leeds 13 p. 311. 
Inoceramus, evolution of ; Woods, 
685. 
Abnormitaten der Organisation von 
Anodonta cellensis; Splittstosser, 585. 
Variability der Schale des ost- 
baltischen Anodonta- Arten ; Riem- 
schneider, 509. 
Limncea stagnalis, albinisme ; 
Piaget, 460. 
Helix pomatia, abnormality of ; 
Pfeffer, 459. 
Pleurotoma regularis do IConinck 
pourvuo do doux siphons; Leriche, 
369. 
Ein bisher unbekannter, grundle- 
gender Faktor fur die Auffindung eines 
Vererbungsgesetzes bei den Nackt- 
schnecken ; K link el, 346. 
Planorbis corneus, L., abnormal shells 
of; Kautfmann, 318. 
Oreohelix cooper i var. minor, Ckll. 
occ. of sinistral speoimen ; Henderson, 
258. 
Anomalie oder Artbildung; Geyer, 
204. 
Teratological notes ; Geiser, 192. 
Buccinum undatum, Lin., Littorina 
saxatilis, Oliv., Neptunea antiqua, Lin., 
monstrosities of ; Dautzenberg & 
Fischer, 132. 
Abnormal shells ; Daniels, 123. 
Helix pomatia, deux anomalies de 
l’appareil genital hermaphrodite ; 
Blanc, 44, 
Phylogeny of the Najades ; Ortmann, 
435. 
Potamolithus, interrelations of ; Pils- 
bry, 468. 
Close relation of certain spp. of 
Diplodon ( Hyridella ) from Australia 
with typical Diplodon from S. America ; 
Ortmann, 438. 
DISTRIBUTION. 2227 
(a) Recent. 
General. 
Distribution of certain Northern 
and Arctic spp. ; Odhner, 428. 
Characteristics and origin of non- 
marine molluscan fauna of S. America ; 
Pilsbry, 468. 
Kritisches Verzeichnis der boreoal- 
pinen Tierformen (Glazialrelikte) der 
mittel- und sudeuropaischen Hochge- 
birge ; Holdhaus, 277. 
Geographical distribution of Helix 
( Garacollina ) ; Caziot, 71. 
Die Cephalopoden der Plankton- 
Expedition. Zugleich eine mono- 
graphische Ubersicht der Oegopsiden 
Cephalopoden. Text u. Atlas ; Pfeffer, 
458. 
West Amorican mollusks of genus 
Cingula ; Bartsoh, 30. 
