OF NEW ZEALAND. al 
distal extremity ; flagellum minute, concealed beneath the rostrum, and 
placed at some distance from the orbit. Epistome transverse. Third 
joimt of the external maxillipeds notched anteriorly. Anterior legs 
large, compressed, fingers smooth, not spoon-excavate. Ambulatory 
legs becoming successively shorter. Abdomen of ¢ seven-jointed. 
10. Prionorhynchus edwardsii. 
Prionorhynchus edwardsii, Jacquinot and Lucas, Voy. Pole Sud. 
Zool. ui, Crust. p. 8, pl. 1, fig. 1, (1853). 
Carapace with numerous small rounded granules, interspersed with 
larger tubercles, of which some are placed in a longitudinal median 
series ; antero-lateral margins spinose. Lobes of the rostrum rounded, 
dentate on the margins. Anterior legs armed with spinous tubercles 
above, chiefly on the third and fourth joints. Ambulatory legs finely 
granulous, with large spimous tubercles on the third and fourth joints. 
Tarsi smooth. Colour ashy grey. Length 4 in., breadth 3 in. (J. & L.). 
Auckland Islands (Hombron and Jacquinot). 
The small tubercles on the legs in the adult are scarcely spinous. 
LEGION II. PARTHENOPINEA. 
Parthenopiens, M. Edw. Hist. Nat. Crust. 1, p. 272, (1834). 
Parthenopinea, Dana, U.S. Explor. Exped. xiii, Crust. part i, p. 136, 
(1852). 
Carapace either short triangular or transverse, with the antero-lateral 
margins arcuate. Basal joint of the external antenne inserted interior 
to the eyes. Legs of normal shape, the anterior pair longer, usually 
very much longer, than the ambulatory legs. 
LAMBRUS. 
Lambrus, Leach, Trans. Linn. Soe. xi, p.\B10, (1815); M. Edw. 
Hist. Nat. Crust. i, p. 852, (1834). 
Carapace short triangular, or lozenge-shaped; and rounded on the 
sides ; branchial regions greatly developed. Rostrum small, prominent. 
Eyes retractile within the nearly circular orbits.\. External antenne 
with the basal joints short, and contained in the Inatus between the 
basal joint of the inner antennae, and the lower margin of the orbit. 
Anterior legs very long, (more than two and a half times the length of 
