Clarify for students that insects are only one of a number of classes within the phylum Arthropoda, which also includes spiders, millipedes, and centipedes, as well as crabs and lobsters.

Processes governing metamerization and the subsequent differentiation of metameres are well known in Drosophila. It is little known, However, to what extent the metameric patterns in Drosophila can be ...

In this memoir, only the Crustacea are dealt with, the remaining divisions of the Arthropoda being reserved for a future part. Studies on Arthropoda, II. By Dr. H. J. Hansen.

IN NATURE (vol. xvii. p. 284) is a notice of a work by Dr. Palmen, of Helsingfors, on the morphology of the tracheal system. From the wording of the notice it appears as if the views of Dr. Palmen ...

This phylum includes classes for insects, millipedes, centipedes, spiders, crabs, lobsters, shrimp, and others. A dichotomous key can be used to identify the arthropods.