Get access

The Morphology of the Isopod Head.—Part I. The Head of. Ligia oceaniaa.



  • 1The external and internal features of the head of Ligia oceanica are described, and a terminology proposed for them and for similar structures in all terrestrial Isopods.
  • 2The 1st thoracic somite is shown to be distinctly demarcated from the head in this genus.
  • 3The “maxillosternal” framework and the endophragmal skeleton is described and its morphology discussed.
  • 4The mechanism and structure of the appendages of the head is described and compared with that of other Isopods.
  • 5The musculature of the head is described and its bearing on the form of the head and mechanism of the appendages is discussed.
Get access to the full text of this article