Morgan's discussion of his "biocule" conception (see also: half-alive theory), which he conceptualizes as the first "biological molecule" in possession of the quantity of "life", which he says has different rules, namely the "rules of life", as he calls them, than those of regular molecules and atoms. [1]
In science, biocule, a portmanteau of bio- "life" + -molecule "small mass", a defunct (see: defunct theory of life) hypothetical entity, referring to the first molecule in possession of “life”, a “living molecule”, or biological molecule, or something along these lines, formed or “emerged” during the course of evolution.

In 1929, British animal psychologist Lloyd Morgan introduced the term biocule as follows: [1]

“On the assumption that all are in accordance with nature, and that they stand in order of evolutionary genesis, it follows that, at some stage of evolution a, there were atoms only; at stage b, molecules (and atoms) only. Not until stage c was reached were there living units (may one say ‘biocules’?) in biochemical relationship. Here we come into touch with the hypothesis, the fullest knowledge of the nature and properties of the atomic world at stage a would not enable the most for-sighted atomic logician, so to speak, to deduce and foretell the nature and properties of the molecules at stage b; nor would the fullest knowledge of molecules at this stage of evolution enable the molecular logician to predict the distinctive character of ‘biocules’ at stage c, that is before any ‘biocule’ had come into existence.”

According to another rehash by Morgan of his emergence of life, in the form of a biocule, from atoms and molecules model: [2]

“Let us provisionally arrange ‘natural entities’ in ascending order in an emergent hierarchy. Such a suit may be: atom, molecule, colloidal unit, ‘biocule’, cell, multicellular organism, community of such organisms. Here ‘biocule’ stands for a hypothetical link in the chain.”

(add discussion)

Here is see the a number of issue, firstly (a) Morgan is digging around in the domain of the defunct theory of life, namely the premise of the existence of the first living molecule or biocule as he terms it or first living chemical reaction is a false conception, a contrivance of mythology forced into chemistry and thermodynamics, and (b) the argument of the notion of indeterminacy in nature (see: determinism), which does not corroborate with the view embodied in the logic of thermodynamic prediction, first outlined by Willard Gibbs in the 1870s, which can foretell the course of evolution, such as explained in C.G. Darwin’s 1952 The Next Million Years.

See also

● Biogen | German physiologist Max Verworn's 1903 theory (see: living molecule).
Evolution timeline
Molecular evolution table
● Animacule | diminutive of animal or “little animal”; referring to microscopic organisms.
Animolecule | animated molecule, e.g. retinal molecule, walking molecule, etc.

1. Morgan, C. Lloyd. (1929). Mind at the Crossways (pg. 6; biocule, pgs. 16-17). Williams & Norgate.
2. Morgan, C. Lloyd. (1967). “A Conception of the Organism, Emergent and Resultant” (pgs. 141; biocule, pgs. 151-52), Proceedings of the Aristotelian Society.

Further reading
● Walshe, Thomas J. (1933). The Quest of Reality: an Introduction to the Study of Philosophy (biocule, pg. 478). K. Paul, Trench, Trubner.

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