MUNNA WHITEANA. 329 
ISOPODA, ASELLID, 
NORMALIA, 
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MUNNA WHITEANA. 
Specific character. Male, with the cephalon nearly half the length of the 
pereion, with the eyes very wide apart, fixed on thick peduncles. Upper 
antenne with four very short basal joints, followed by a very long slender 
one, terminated in a short triarticulate flagellum, and two long auditory cilia. 
Pleon about as long as the cephalon, narrower than long, armed with three 
strong teeth at each side. 
Length, rather more than half a line. 
THE head is very large and broad, increasing in width 
posteriorly, equal in length to the three following seg- 
ments; the eyes are fixed on very thick and prominent 
peduncles. The front of the head is nearly truncated, 
and the upper antenne are affixed widely apart next 
the anterior-lateral angles of the head. The peduncle 
consists of four very small joints, of which the first is 
most robust, and a fifth, that is very long and slender, 
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