Say, 'articulate,' first; then roll out, 'Arthropoda;' and you shall see whether zoological science is not progressing!
2
Nowadays, they use the euphonious term 'Arthropoda.' And to think that there are men who question the existence of progress!
3
By some writers, the unsegmented worms (helminths) have also been included; by others it is restricted to the Arthropoda.
4
The chief subdivisions are Arthropoda (Insects, Myriapoda, Malacopoda, Arachnida, Pycnogonida, Crustacea); and Anarthropoda, including the Annelida and allied forms.
5
Among the remaining divisions of Invertebrata special mention may be made of the air-breathing Arthropoda -on the whole the most important and interesting group.