66 Moll . 
MOLLUSCA. 
Sense Organs. 
Acephala , with figs.; Rawitz (2). Molluscan mantle; id. (1) & 
Thiele. Eyes on mantle border of Acephala ; Rawitz (2). Organ of 
Spengel in Prosobranchiata ; Bernard (1). 
Excretory Organs. 
Ancestral form in Pelecypoda\ Pelseneer (1). Apparatus in Proso- 
branchiata ; Perrier (R.). Organ of Bojanus in Anodonta ; Rankin. 
Nephridia of Chcetoderma ; Wiren. 
Genitalia. 
Hermaphrodite Pelecypoda ; Pelseneer (4). Aplysiidce ; Mazza- 
relli (2). Gland of Bohadsch ; id. (3). Aplysia ; Robert. Aplysia : 
use of pouch of Swammerdam; Mazarelli (l). Chcetoderma ; Wiren. 
Helix albolabris , with woodcut ; Pilsbry (13). H. aspersa : parasitic 
castration ; Garnault (1). H. punctata ; Williams (1). Oyster ; 
Bourne (2). Valvata piscinalis ; Garnault (2), Bernard (2). 
EMBRYOLOGY. 
Breeding of Achatina from Zanzibar ; Semper. Limax maxi nuts, 
Nervous system; Henchman. Ostrea ; Jackson (1). Valvata pisci- 
nalis } with Qgs. ; Bernard (2). 
MORPHOLOGY. 
Discussion on Evolution, Morphogeny, Progression, &c. ; Hyatt. 
PHYLOGENY. 
Mollusca i Jackson (1). Relation of Mollusca to other groups ; Giard. 
Table of Nudibrapchs ; Vayssiere. Pelecypoda ; Jackson (1). 
BIONOMICS. 
Deep-sea Mollusca ; Dall (2 & 3). Marine Mollusca in captivity ; 
Waters. Diseases and enemies of Molluscs ; Locard, (l)chap. 5. Phy- 
siological influences affecting the culture of Molluscs; id. (1) chap. 5. 
Habits of Carbonic Calyptrscans ; Keyes (3). Habits of British Hydro- 
bice ; Jenkins (1). Habits of Pecten ; Jackson (1). Habits of Vitrina 
pellucida\ Collinge (1). Causes of extinction of species : extinction of 
Helix mitchelliana ; McCreery. Experiments on the taste of fish for 
Mollusca ; Herdman & Chub. Homing in Gasteropods ; Kew. Oyster 
disease caused by Polydora : nature and remedies ; Wiiitelegge (1). 
Oyster culture in Essex : threatened destruction ; Rome. Migration 
and habits of Goniodoris ; Garstang. Use of purple. in Purpura lapillus ; 
Letellier (1). Influence of strong water currents on an HAtheria ; 
Simroth (1). 
