[1905] 
Moll. 1 
VII. MOLLUSCA. 
BY 
E. R Sykes, B.A, 
Assisted by E. A. Smith, I.S.O. 
CONTENTS. 
Page 
Introduction 2 
I. Titles 3 
Obituary Notices, &c. . 35 
II. Biology. 
Anatomy, Physiology, &c. , 35 
Distribution. 
Geographical. 
Non- Marine 39 
Marine 45 
Geological 49 
III. Systematic. 
Cephalopoda 56 
Dibranchiata 56 
Ammonea ...... 56 
Tetrabranchiata . * . . 58 
Gastropoda 58 
Pulmonata 58 
Stylommatophora. . * 58 
Basommatophora ... 65 
Page 
Opisthobranchiata ... 67 
Nudibranchiata ... 67 
Tectibranchiata (includ- 
ing Pteropoda) ... 69 
Nucleobrancliiata ... 71 
Prosobranchiata .... 71 
Pectinibranchiata . . . 71 
Scutibranchiata ... 78 
Scaphopoda 82 
Pelecypoda 82 
Septibranchiata .... 82 
Eulamellibranchiata . . 82 
Pseudolamellibranchiata . 85 
Filibranchiata 85 
Protobranchiata .... 86 
Amphineura 86 
Aplacophora 86 
Polyplacophora . : ■ . . . 86 
D 1 
1905. [Vol. xlii.] 
