REFERENCES
- Abercrombie , M. 1946 . Estimation of nuclear population from microtome sections . Anat. Rec , 94 : 239 – 247 .
- Itami , K. , Izawa , Y. , Maeda , S. and Nakai , K. 1963 . The growth of the octopus larvae in a rearing experiment . Bull. Jap. Soc. Scient. Fish , 29 : 514 – 520 .
- Packard , A. 1964 . —Optomotor responses in cephalopods. 16 mm Colour film with sound track made by E. Lucey for the Institute of Animal Genetics, Edinburgh
- Packard , A. 1964 . Optomotor responses in cephalopods . 16 mm Colour film with exercise in functional anatomy. Archo. zool. ital , 51 : 523 – 542 .
- Sutherland , N. S. 1963 . Visual acuity and discrimination of stripe widths in Octopus vulgaris Lamarck . Pubbl. Staz. zool. Napoli , 33 : 92 – 109 .
- Wells , M. J. 1958 . Factors affecting reaction to Mysis by newly hatched Sepia . Behaviour , 13 : 96 – 111 .
- Young , J. Z. 1962 . The retina of cephalopods and its degeneration after optic nerve section . Phil. Trans. R. Soc , 245 : 1 – 18 .
- Young , J. Z. 1963 . Light and dark adaptation in the eyes of some cephalopods . Proc. zool. Soc. Lond , 140 : 255 – 272 .