10 C. BOVALLIUS. NEW ISOPODA. II. 
Syn. 1879. Rocinela Dumerilii. LUCAS. SCHIOEDTE et MEINERT. »Symb. 
ad monogr. Cymothoarum>, in 
Naturhist. ”Tidskr: ö.  R. ufo. 
p. 391, pl. 12, fig. 4—9. 
Diagn. Corpus elongato-ovatum. 
Caput ter circiter latius quam longius, fronte plus minusve producta. 
Oculi grandes, quinta parte latitudinis capitis distantes. , 
Antenne primi paris marginem anteriorem segmenti primi pereii 
attigentes vel paulo superantes, flagello V- vel VI- articulato 
instruct2. 
Antenne secundi paris longissime, fagello XIV- vel XV-articulato 
instruct2. 
Epimerum uvltimum segmentum primum plei Xequans. 
Segmentum primum plei maximam partem obtectum. 
Urus lingulatus. 
Pedes uri crenulati, ramus interior quam exterior longior ac paulo 
latior. 
The body is oblong-ovate. 
The head is about three times broader than long, the 
middle of the front more or less produced. 
The eyes are large, distant by a fifth of the breadth of 
the head. 
The first pair of antenne reach to the anterior margin of 
the first pereional segment or a little further. The flagel- 
lum is 5- to 6-articulated. 
The second pair of antenne are long. The fagellum is 
composed of 14 or 15 articuli. 
The last pair of epimerals reach to the hinder corners 
of the first pleonal segment. 
The first segment of pleon is concealed by the last pe- 
reional segment. 
The urus is tongue-shaped. - 
The uropoda are crenulate. The inner ramus is longer 
and a little broader than the outer. 
The adult male. 
(PI. II. fig. 11—19). 
The hind margin of the head, between the eyes, is straight, 
the front shows an obtuse projection, shorter than in the 
ovigerous female but longer than in the virgo. 
