ANATOMY, PHYSIOLOGY, ETC. 
Moll . 29 
6. Respiratory System. 
Structure of the gills of Pelecypoda ; Janssens (174). 
7. Excretory and Secretory System. 
Excretory apparatus of Elysia ; Pelseneer (277). — So-called primitive 
kidneys of Gastropods ; Erlanger (116). — The organ of the funnel 
of Cephalopoda (Muller’s organ) is the equivalent of the pedal mucous 
pore of Gastropoda ; Jatta (175). — Phosphorescent organs in Histio- 
teuthis ruppcllii ; Joubin i> (183). 
8. Nervous System. 
Structure of the nervous system of Gastropoda ; Nadias (254). — 
Physiological researches into the nervous system of Eledone moschata ; 
Uexkull (384). — Histology and anatomy of the nervous centres of some 
Pulmonata ; Nabias (256). — Aclccon is streptoneurous ; Bouvier (36- 
38), Pelseneer (276). — Nervous system of Ileteropoda ; Pelseneer 
(273), [see also Zool. Rec. 1892, Moll . p. 31].— Nervous system of 
Nerita polita and Navicella porcellana ; Boutan (34). — Comparison of 
the central nervous system of Pelecypoda with that of Gastropoda ; 
Hardiviller (148). — On the nerve fibres of Pelecypoda ; Chatin 
(60). — Ocular nerves of Spondylus gcederopus ; Ciiatin (62). 
9. Sensory System. 
Sensory organs of Mollusca ; Pelseneer (279), — Eyes of some 
Gastropoda ; Pelseneer (280). — The tentacula are the seat of the 
olfactory organs in Helix ; Griffiths (142). — Branchial sensory organs 
of Patina pellucida ; Thiele (376). 
10. Generative Organs. 
Double hectocotylisation in a specimen of Eledone cirrhosa ; Appellof 
(12), — Morphology of the generative system in Testacella ; Collinge 
(79). — Absence of male organs in individuals of Helix aspersa and Arion 
intermedius ; Collinge (75). — Genitalia of Bulimus acutus [*.«., Cochli- 
cella acuta ] ; Moss & Paulden (251). — Genitalia of Achatina mos- 
samhica , Helix similaris , Goudotiana lucubensis ; Brancsik, Trencsen 
term. Evkon. xv, pp. 117, 208 & 209, figg. — Reproductive apparatus of 
Elysia ; Pelseneer (277). 
11. Embryology. 
Embryology of Gastropoda ; Erlanger (116).— Development and 
power of self-fertilization of Arion ater ; Wotton (416), Simroth (333). 
— Development of Umbrella mediterranea ; Heymons (165). — Abnormal 
features in the development of Cassidaria eqhinophora ; Erlanger 
