BIOLOGY. 
Moll 37 
integument in Cephalopods and Chitons ; Schweikart (510). — Develop- 
ment of Margaritifera ; Seurat (516). — The chromosome vesicles in the 
maturation of Nudibranchs ; Smallwood (536). — Larva and spat of 
Canadian Oyster ; Stafford (556). — Embryo of Dreissensia ; Voigt, 
Forschbcr. Plon xii, p. 134. — Development of gills in fresh-water mussels ; 
Voinea (616). — Embryology of Physa fontinalis; Wierzejski (642). 
Formation of shell ; Brockmeier (67). — Development and stages of 
Gastropod protoconch ; Kesteven (327). — Stages of growth of Gastropod 
protoconch ; Kesteven (328). 
4. Ethology (Habits, Relation to Environment, &c.). 
Anodonta cygnca attached to a Plover’s foot ; Adams (2). — Acquisition 
of rounded form in fixod Molluscs ; Anthony (12). — Dart in body-cavity 
of Helix aspersa ; Barnes (26). — Variation due to environment ; Bellini 
( 37). — Experiments on the reproduction of amputated tentacles in fresh- 
water Gastropods, Paludina , etc. ; Ceiin^ (101). — Living iS trombus pugilis ; 
Colton (131). — Food and Habitat of Helix dcsertorum ; Cooke (134). — 
Life history, &c., of Nassa obsoleta ; DimoN (183). — Parasitism of larval 
Anodonta ; Faussek (205). — Cannibalism in Faeeiolaria tulipa ; Glaser 
( 238). — Adaptation of Crepidida ; Graf (244). — Adaptation of Placnnano- 
mia ; Griffin (249). — Internal septa of Qlyptostoma newberryanum ; 
Gude (251). — Breeding habits of Californian Chitons ; Heath (264). — 
Habits of Helicoids ; Henderson (273). — Ethological notes on Helicoids ; 
Hesse (281). — Snails which smell ; Hesse (280). — Snails found in burial 
grounds ; Hyming, Nautilus xviii, p. 144. — Symbiosis of Hydractinian 
and Cephalopod ; Nopcsa (425 ). — Mitra piercing Fistidana ; Smith (538). 
— Vitality of Littorina ; Smith (541). — Molluscs active in November in 
U.S. A. ; Sterki, Nautilus xix, p. 96. — Homing of Fissurella and Siphona.ria ; 
Willcox (644). 
Occurrence of Cercaria in Cliione ; Chilton (107). — A brief account 
of pearls and pearl-producing shells ; Erslev (202). — Infusoria in 
Cephalopods; Gonder (243). — New parasite in Mytilus and Cardium ; 
Klein (331). — Formation of pearls ; Luhe (374). — Parasites of Pearl 
Oyster ; Shipley & HornEll (522, 523). 
5. Variation and Teratology. 
A number of reversed forms noted ; Anon, P. Malac. Soc. London vi, 
pp. 247 & 248. — Variation due to environment ; Bellini (37). — Hetero- 
styly in the shell ; Boettger (55). — Sexual dimorphism in Strombus 
pugilis ; Colton (130). — Varieties of Crepidula due to site ; Dall (154) : 
Williamson (647). — Variation and crossing in Helix nemoralh and 
hortensis ; Darbishire (168). — Sinistrosity in Mollusca; Knight (333). — 
Variation of Rostellaria delicatula ; Melvill & Standen (399).^ — Variation 
of Caspian Cardiidce ; Ostroumoff (429). — Sinistral Helicella caperata ; 
Shaw (517). — Abnormal forms in slugs ; Simroth (531). — Scalariform 
Fatica catena ; Span, J. Conch, xi, p. 159, fig. — Reversed shells in 
Manchester Museum ; Standen (559). — Sinistral Vivipara contecta ; 
Standen (558). — Sinistral Vertigo striata ; Standen (557). — Variability 
of Unionidce\ Suter (578). — Variation and reversed forms ; Sykes (584). — 
Variation of the Gastropod shell ; Vinassa de Regny (613). — Duplication 
of the eye in Helix ericetorum ; Wiegmann (640). 
6. Taxonomy (Phylogeny and Classification). 
Popular notes on classification ; Bacci & Bernardi (17). — Gastropod 
evolution, bionomics ; Davis (172). — Notes on evolution; Gulick (254). — 
