Twins, as a Criterion of the Relative Power of Nature and Nurture
(_Fraser's Magazine_, and
_Journal of Anthropological Institute_);
1876: Whistles for Determining the Upper Limits of Audible Sound
(_S. Kensington Conferences_, in connection with the
Loan Exhibition of Scientific Instruments, p. 61);
1877: Presidential Address to the Anthropological Department
of the British Association at Plymouth
(_Report of British Association_);
1878: Composite Portraits (_Nature_, May 23, and
_Journal of Anthropological Institute_);
1879: Psychometric Experiments (_Nineteenth Century_,
and _Brain_, part vi.);
Generic Images (_Nineteenth Century; Proceedings of
Royal Institution_, with plates);
Geometric Mean in Vital and Social Statistics (_Proceedings
of Royal Society_);
1880: Visualised Numerals (_Nature_, Jan. 15 and March 25, and
_Journal of Anthropological Institute_);
Mental Imagery (_Fortnightly Review; Mind_);
1881: Visions of Sane Persons (_Fortnightly Review_, and
_Proceedings of Royal Institution_);
Composite Portraiture (_Journal of Photographical Society
of Great Britain_, June 24);
1882: Physiognomy of Phthisis (_Guy's Hospital Reports_, vol. xxv.);
Photographic Chronicles from Childhood to Age (_Fortnightly Review_);
The Anthropometric Laboratory (_Fortnightly Review_);
1883: Some Apparatus for Testing the Delicacy of the Muscular
and other Senses (_Journal of Anthropological Institute_,
1883, etc.).