The works of Francis Maitland Balfour, Volume 2 (of 4)
CHAPTER IX. MOLLUSCA.
Formation of the layers and larval characters, pp. 225-273. _Gasteropoda and Pteropoda_, pp. 225-242. _Cephalopoda_, pp. 242-254. _Polyplacophora_, pp. 254-257. _Scaphopoda_, pp. 257, 258. _Lamellibranchiata_, pp. 258-269. _General review of Molluscan Larvæ_, pp. 270-273. Development of organs, pp. 273-288.