OF NEW ZEALAND. US 
its anterior half, which has four obscure tubercles arranged in a trans- 
verse series, posterior emargination wider and not so deep as in C. 
granulata, with the median lobe triangular. Caudal appendages short, 
not reaching nearly to the posterior emargination ; rami subequal, 
obtuse at the extremity. Length nearly 4 in. 
New Zealand (Coll. Brit. Mus.). 
In two out of the three specimens in the British Museum Collection 
the tubercles are very obscurely marked, 
Tribe II. ANISOPODA. 
Isopoda, M. Edw. (part) Hist. Nat. Crust. i, p. 234, (1834). 
Anisopoda, Dana, U.S. Explor. Exped. xiv, Crust. part ii, p. 694, 
(1853). 
Body varying in shape, not laterally compressed. The seven pairs 
of thoracic legs consisting of an anterior series of four, and a posterior 
series of three pairs. Segments of the abdomen (the last excepted) 
usually short. Abdominal appendages of the first five segments 
foliaceous, and perfectly branchial; or elongate, ciliated, and imper- 
fectly branchial; of the sixth segment operculiform, lamellate, styliform, 
or obsolete. Terminal segment usually large, destitute of appendages. 
Sub-Tribe I. SrroLmea. 
Serolidea, Dana, U.S. Explor. Exped. xiv, Crust. part ii, p. 789, 
(1858). 
Caudal appendages lamellate, placed laterally. 
Family I. SEROLID. 
Cymothoadiens ravisseurs, M. Edw. Hist. Nat. Crust. ui, p. 228, 
(1840). 
Serolida, Dana, U.S. Explor. Exped. xiv, Crust. part ii, p. 790, 
(1853). 
Three first pairs of abdominal appendages free, sub-natatorial, two 
following pairs branchial, lamellate; last pair as in the Cymothoide. 
Internal antenne inserted beneath the front of the head, 
SEROLIS. 
Serolis, Leach, Dict. Sci. Nat. xii, p. 339, (1818); M. Edw. Hist. 
Nat. Crust. iii, p. 228, (1840) ; Dana, U.S. Explor. Exped. xiv, Crust. 
part ii, p. 790, (1853). 
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