56 



REVIEWS. 



" Fig. 74." Dia-^rams to illustrate the changes in position in the pallial 

 organs of Daiidcbcinlia and TestaccHa (adapted from figures by Plate). A., 

 Daudchardia rufa; ii, Hypothetical stage ; CTcstaccUa. i, respiratory aperture; 

 2, kidney ; 3, ureter or urinary duct ; 4, reno-paricardial aperture ; 5, ventricle ; 

 6, auricle ; js aorta ; 8, pulmonary vein ; 9, pulmonary vascular network. 



/ 



y^ 



,^ 





liG, 13." l'iit:lUi palliohim (Bulimulid, after Ferussac). 



Class I. Ami'iiineura 

 Order i. Placophora 

 (Polyplacophora) 

 sive Chitonidae 

 Order ii. Aplacophora 

 sive Solenogastres 



Class II. Gastrododa 

 Order i. Prosobranchiata 

 Sub-order i. Diotocardia 

 (n) Zcutrobranchia {Kliipidoglossa 

 .•\spiclobrancliia) 



(b) Azyj^obranchia 



(c) Docoglossa 



Sub-order 2. Monotocardia 

 ( Pectinibranchia) 



(a) Architaenioglossa 



(b) Taenioglossa (includes Hetiro- 



poda 



(c) Stenoglossa 



Order ii. Pulmonata 

 Sub-order i. Basomatophora 



[October i2tli, 1896.] 



Classification adopted. 



Sub-order 2. Stylomatopliora 



(a) Moiiogonopora 



(b) l)iijon<i(.ora 



Order iii. Opisthobran- 



chiata 

 Sub-order i. Tectibranchiata 



(a) Ceplialaspidae (including Ptero- 



poda thecosomata) 



(b) Anaspidae (including Pteroda 



gynosomata) 



(c) Not.«spidae 

 Sub-order 2. Ascoglossa 



(a) Steganobranchia 



(b) Ciirobranchia 



(c) Pterobranchia 



(d) Abranchia 



Sub-order 3. Novibranchia 



[a] Holohepatica 



[b] Cladohepatica 



Class III. SCAPHOPODA 



Class IV. Lamelli- 



BRANCHIA 



Order i. Protobranchia 

 Order ii. Filibranchia 

 Order iii. Pseudolamelli- 



branchia 

 Order iv. Eulamelli- 



branchia 

 Sub-order i. Submytilacea 

 Sub-order 2. Tellinacea 

 Sub-order 3. Veneracea 

 Sub-order 4, Cardiacca 

 Sub-order 5. Myacea 

 Sub-order 6. Pholadacea 

 Sub-order 7. Anatinacea 

 Order v. Septibranchia 



Class V. Cephalopoda 

 Order i. Tctrabranchia 

 Order ii. Dibranchia 

 Sub order i. Dccapoda 

 Sub-order 2. Octopoda 



W. M. W. 



