5S 
ANCEUS MAXILLARIS. 187 
TSOPODA. ANCEIDZ. 
ABERRANTI4A. 




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ANCEUS MAXILLARIS. 
Specific character. Male with the cephalon broader than long, dorsally 
depressed, especially in the middle and anterior part, and finely granulated 
on each side within the eyes ; fore margin transverse, with a prominent 
tubercle within the mandibles, the centre itself having a much less prominent 
conical tubercle. Mandibles about two-thirds of the length of the cephalon, 
with a strong notch on the outer edge, and about ten denticulations on the 
inner edge, the apex forming a sharp tuoth. The second pair of gnathopoda 
with the three or four basal segments soldered into a large flattened semioval 
plate, strongly ciliated on the inner margin. Male exserted organ very long 
and thin. Legs very finely serrated on the middle joints. ; 
Female, with the second pair of gnathopoda strong, two-jointed, basal joint 
angulated ; first pair of gnathopoda like those of the male. 
Length 4 of an inch. 
(Male) Cancer maxillaris. Montacu, Trans, Linn. Soe. vii. p. 65, 
t. 6, f. 2. 
Gnathia macillaris. Leacu, Enc. Brit. Suppl. Encycl. Méthod. 
Crust. pl. 336, fig. 25. 
Anceus macxillaris. Lamanrce, Anim. sans. Vert. v. p. 168. 
DesmakeEsT, Cons. Crust. p. 283, 
