340 The Scope and Provinces of Zoology. [June, 
“ The Crayfish ” ; reproduction and the physiology of the 
animal functions share the same chapter. “ Splanchnology ” 
is the name applied to the study of the structure and functions 
of the organs of sustentation and generation ; neurology to 
the nervous system ; in Table xxvi. of “ The Evolution of 
Man,” the muscular and skeletal system are classified 
together, though no designation, so far as I am aware, 
embraces the study of osteology and myology, nor unites 
them to splanchnology, thus bringing the intermediate 
position of neurology between these departments and 
“ Psychology ” into perspicuity. 
Prof. Haeckel divides Biology into Zoology, Botany, and 
Protistics ; therefore, when the ownership of a particular 
organism is a matter of contention between the zoologist 
and botanist, the creature remains a Protist until the fluctua- 
tions of taxonomical diagnostics afford an opportunity to 
relegate it to the custody of one or other of these investi- 
gators. By a somewhat analogous procedure, neurology, 
together with the study of the various subtle forces pervading 
organisms above specified, together with those of phreno- 
logists and spiritualists, with any others which may be 
discovered, re-discovered, or invented, may be considered as 
occupying an intermediate position between the study of all 
body functions, save those of nerve on the one hand, and the 
study of intelligence on the other hand. Psychology overlaps, 
though, as Dr. Mivart insists, more stridlly includes these 
studies. Nevertheless, for convenience sake, the entire 
work performed by an animal or plant, may be termed — as a 
briefer form of “ Psychology in its wide sense” — “Ergology.” 
It is surprising to see “ Anatomy ” honoured in the table 
when one reflects upon Prof. Haeckel’s remarks on the 
assumption of “ zootomy” being anything other than a pure 
art ; it happens the two words labour under a precisely 
equivalent etymological disqualification. It is under this 
subdivision that there occur four words foreign to the works 
so often quoted in this article. One of the four is defined in 
Gegenbaur ; another one in Macalister, here possessing a 
different signification ; one is misprinted “ Cosmology,” to 
the consternation of anyone not familiar with the proper 
word ; one, “ Blastology,” is, I believe, the equivalent of the 
“ Prosopology ” of the table in the “Generelle Morphologie,” 
and already pre-occupied for the study of the countenance ; 
the definition of one subdivision is almost that of its parent 
— Anatomy being study of body-strudture, and Te(5tology, 
study of structure. None of the four are given in the index, 
and not one of them explained or mentioned in the Address 
