ANATOMY AND PHYSIOLOGY. 
Moll 33 
The minute structure of the mantle of ScdphopOda is described. The 
swellings outside the cerebral ganglia are independent ganglia with special 
commissures ; they are the pleural ganglia of Gastropods. There are 
two kinds of tentacles, true and rudimentary, whose structure is described. 
The lateral depressions on the oral cone are labial pouches, not salivary 
glands. There is no special efferent duct for the gonads. There are no 
true vessels. The affinities are with the Gastropoda , and they have not 
special phylogenetic relations to the Cephalopoda , the arms of which 
differ widely from their tentacles; Plate. 
Notes on various organs of Testacella scutulum ; Taylor (5). 
Ampullaria is said to have the following anatomical peculiarities, 
amongst others : (1) both a gill and a lung are present ; (2) the gill, 
although displaced to the right, corresponds to the left gill of other 
Pectinibranchs ; (3) the stomach has a pyloric caecum ; (4) the anterior 
aorta forms an enlargement in the pericardium ; (5) the blood from the 
kidney passes directly to the auricle : vide pp. 36 & 37, postea ; Bouvier 
(5). 
Anatomy of Campeloma ; Cali. (2). 
The anatomy of Coneholepas is exhaustively treated, and its position 
Among the Buccinidat maintained; Monoceros , Purpura , Mur ex, Fusus, 
and Pyrula are also discussed, but the memoir is too detailed for satis- 
factory abstraction here ; Haller. 
Anatomy of Entocolax ludivigii ; Voigt \cf. p. 77, postea]. 
Anatomy of Dondersia f estiva, n. g. & sp.; Hubrecht \cf. p. 77, posted]. 
Notes on anatomy of African slugs ; Simroth/3). 
Notes on various parts of the anatomy of Cyclosurus, Morelet ; Fischer 
(5). 
Anatomy of Neocyclotas described ; Fischer & Crosse, pp. 150-159, 
pis. xliii & xlvii. 
Anatomical notes on two Nudibranchs ; Vayssi^re (3). 
Anatomy of many Nudibranchs ; Bergh. 
General sketch of the anatomy of Valvata\ Garnault (4,6), Bernard 
( 2 ). 
Brief account of the anatomy of various species of Proneomenia ; 
Marion & Kowalewsky. 
Anatomy of the chief groups of Mollusca treated for students ; Vogt 
& Yung. 
1. Shell , Integument , and Connective Tissue « 
The sipluncle of Nautilus pompilius is described as consisting of five 
distinct layers, aud as having calcareous spicules embedded in its walls ; 
Brooks. 
Cephalopod shells do not grow by intussusception. Cephalopoda 
divided ort the basis of the shell into Nautiloidea , Ammonoidea, and 
Coleoidea ; the last subdivided into Ostrophora and Chondrophora ; 
Bather (1). 
Further observations on shell formation of Nautilus ; Blake. Replies 
and criticisms on various points ; Bather (2). 
1888. [vol. xxv.] d 7 
