Moll. 1 
VII. MOLLUSCA. 
BY 
B. B. Woodward, F.L.S., F.G.S., &c. 
CONTENTS. 
Page 
Introduction 1 
I. Titles 3 
II. Biology. 
Anatomy, Physiology, &c . . 31 
Distribution. 
Geographical. 
Non-marine 35 
Marine 41 
Geological 44 
III. Systematic. 
Cephalopoda 48 
Dibranchiata. 
Octopoda 49 
Decapoda 49 
Ammonea 49 
Tetrabranchiata 51 
Gastropoda 51 
Pulmonata 52 
Stylommatophora .... 52 
Basorntnatophora .... 61 
Opisthobranchiata 63 
Nudibranchiata 63 
Tectibranehiata (includ- 
ing Pteropoda) .... 63 
Prosobranchiata ...... 66 
Pectinibranchiata(includ- 
iug Nucleobranchiata) 66 
Scutibranchiata 75 
Scaphopoda 77 
Pelecypoda 77 
Septibranchiata 77 
Eulamellibranchiata ... 78 
Pseudolamellibranchiata . 8 1 
Filibranchiata 82 
Protobranchiata 83 
Amphineura 83 
Aplacophora, vacant. 
Polyplacophora 83 
INTRODUCTION. 
The amount of Molluscan work done during 1895 is slightly in excess, 
judging from the number of Titles, of that for each of the few pre- 
ceding years. Fortunately, there is a decrease at the same time, it is to 
be hoped not merely temporary, in the number of bad species founded on 
trivial characters. 
Pre-eminent amongst Systematic works for the year stands Tryori’s 
Manual, as continued by Pilsbry (448-9), who, in the marine series, 
carries on the monograph on the Opisthobranchiata, and in the non- 
marine is to be congratulated on having completed the Helices, terminat- 
ing this section, which will long rank as a classic, with a very full and 
most useful index. He has also begun the Bulimi. Many will regret, 
however, that out of too great a deference to the fetish of ‘ priority,’ he 
1895. [vol. xxxii.] d 7 
