74 
T. Y. HODGSON. 
EXPLANATION OF THE PLATES. 
PLATE I. 
1. Leptanthura glacialis, ?, x 6. 
a. First antenna x 40. 
1. Second antenna X 40. 
c. Maxilla x 40. 
d. Maxilliped x 40. 
e. First appendage of mesosome x 40. 
/. Second appendage of mesosome x 40. 
g. Last appendage of the mesosome x 40. 
2. Gnathia cmtarctica, £, x 14. 
3. Euneognathia gig as, $, x 6. 
a. Maxilliped x 15. 
b. First appendage of mesosome x 15. 
PLATE II. 
1. JEga antarctica* x 3. 
2. Maxilla x 20. 
3. Maxilliped X 20. 
4. First appendage of mesosome X 16. 
5. Sixth appendage of mesosome x 16. 
PLATE III. 
1. Cirolana meridionalis, ?, X 2. 
2. First maxilla x 20. 
3. Second maxilla x 20. 
4. Maxilliped x 20. 
5. First appendage of mesosome x 7. 
6. Sixth appendage of mesosome x 7. 
PLATE IV. 
1. Scroll's trilobitoides, L x 1, dorsal aspect. 
2. The same, ventral aspect. 
3. Specialised seta from mandibular palp, terminal joint x 312. 
4. First maxilla x 20. 
5. Second maxilla x 20. 
6. Maxilliped x 20. 
7. Sensory spine from propodus of second thoracic appendage x 312. 
8. Sensory lamella from propodus of second thoracic appendage x 312. 
PLATE Y. 
Antarcturus. 
1. A. adareanus, ?, x 3. 
2. A.franklini , ?, x 3. 
3. A. australis, $ , x 3. (This is the male of A. franldini.) 
* Not Ae. australis, as on the plate. 
