CONTENTS 



Fam. II Olividae tt^f^ 



Sect. 5. TOXOGLOSSA '^^^ ^^% 

 Fam. I. Terebridae '0M.M 



Page 

 .148 



2. Conidae '^M,^^ • 



3. Plenrotomidae l=SJi^4- 

 4- Cancellariidae ^J1^4 • 



150 



153 



...160 



164 



Ord. 2. OPISTHOBRANCHIA 



Suborcl. I. TECHIBRANCHIATA |^— ^ i^Eg?&@ 

 Sect. I. BULLOIDEA |^— , W<M% 



Fam. I. Actaeonidae i^W-M^^^- ^^5 



„ 2. Tomatinidae 7Kttll.^^ « 



„ 3. BuUidae W<M.M 166 



4- Scaphandridae M^^'f ^^7 



„ 5. Hydatinidae fflMJ^f^ 168 



„ 6. Phiiinidae ^Wt^^ " 



Sect. 2. APLYSIOIDEA |p5Z, Mlt^ 



Fam. I. Aplysiidae Ml^^4 



Sect. 3. PLEUROHRANCHOIDEA ||H. 

 Fam. I. Umbrellidae -'^M.M 



,169 



169 



Sect. 4. SIPHONARIOIDEA ^^m. ^J^.Ml."I 

 Fam. 1. Siphonariidae ^i^l'.M^-'l- ^7° 



Suboni. 2. PTEROPODA I^Zl, ^^J£55@ 



mnm 



...171 



