BIOLOGY. 
Moll. 37 
cartilage in Eledone moschata ; Babor (24).—Development of the egg in 
Cephalopoda-, Bergmann (42).—On the breeding of Limncea truncatula 
from the spawn of L. palustris ; Brockmeier (57).—Note on evolution of 
landshells; Cockerell, Nature lxvi, p. 56.—Nepionic young found in 
Neocorbicula ; Dall (117).—On the relationship of the cyclopla,sm and of 
the nucleus in the egg of Cytherea chione ; Dumez (155).—On the nourish¬ 
ment and development of the embryo of Nassa mutabilis; Hoffmann 
( 230).—Comparative development of Mollusca; Korschelt & Heider 
( 290).—Development of Mactra ; Kostanecki (291).—Structure of the 
larval Opisthobranch ; Mazzarelli (347).—On oligopyrene and apyrene 
sperm and on its genesis, from observations on Paludina and Pygcera\ 
Meves (351).—On the so-called worm-shaped seminal threads in Paludina 
and on their development; Meves (352).—Embryology of Limax maxi- 
mus ; Simpson (483).—Eggs of Avion hortensis ; Welch, Irish Natural, xi, 
p. 46.—Life history of Nautilus', Willey (591). 
4. Ethology (Habits, Relation to Environment, &c.) 
Agriolimax agrestis devouring earthworms; Carter, Naturalist 1902, 
p. 292.—Pairing of Vitrea lucida with Pyramidula rotundata\ Caziot 
( 71).—Variation of shell of Nassa due to environment; Dimon (139).— 
Formation of pearls in Mytilus', Dubois (153).—On the parasitism of the 
Anodonta -larva ( Glochidium ); Faussek (168).—Pearls, their origin due to 
Trematode larvae, notes on their structure and development; Jameson 
(246 ).—Serridens oblongus found under mantle or clinging to shell of 
Ischnochiton ; Kelsey, Nautilus xv, p. 144.—Mucus-threads of land-slugs; 
Kew (281).—On the action of calcium sulphate on living Oysters; Oku, 
Ito & Fujita (377).—On the mode of feeding in certain Molluscs; Sim- 
roth (487).—On the relationship between the formation of the internal 
lobes of the shells and the mode of life in certain Ammonites-, Solger 
(500 ).—Mytilicola intestinalis, a new Crustacean found in the intestines of 
Mytilus ; Steuer (522).—Pairing of Limax maximus ; Webb (575). 
5 Variation and Teratology. 
Monstrosities of Unionidce-, Baker (31).—Malformed gills of Anodonta 
cygnea-, Bloomer (49). — Distorted shells of Helix-, Buchner (60).— 
Variation of Pecten ; Davenport (131).—Variation of shell of Nassa due 
to environment; Dimon (139).—Variation in position of adductor muscles 
in Anodonta', Downing (144).—Biometrical study of band variation in 
Helix nemoralis', Hensgen (223).—Monstrosity of Limncea peregev, Over- 
ton (383).—Variation of freshwater shells from Colorado Desert; Stearns 
( 509).—Scalariform Helix memoralis ; Welch (580).—Variation in Partula ; 
Mayer (343). 
6. Taxonomy (Phylogeny and Classification). 
General:—On nomenclature; Bernard (43): Gardiner (191).—Phylo¬ 
geny of Mollusca; Paravicini (391). 
Cephalopoda:—Evolution and retrogression in Ammonites ; Pontier 
(426). 
Gastropoda:—Note on evolution of landshells ; Cockerell, Nature lxvi, 
p. 56.—Classification of Streptaxidce ; Gude (210).—Phylogeny and classi¬ 
fication of Arionidce and Limacidce ; Simroth (484).—Phylogeny of Fidgur', 
Smith (489). 
Pelecypoda:—Classification of the Pelecypoda ; Noetling (372). 
