12 BOVALLIUS. NEW ISOPODA. 



The inner ramus is longer and broader tlian tlie outer; both 

 are fringed with plnmose kairs all around, and the exteriör 

 margins are crenulated and provided witli stout spines. 



Colour. BroAvn, the spöts dark red. 



Length 30 m. m. (The male 31 m. m.). 



Hal. Greenland. (Z. M. C. B.). 



The locality is very interesting, as the only hitherto known 

 specimen is a native of uorth-eastern Asia, being taken by 

 Koch at AVladiwostock. 



4. Grlossobiiis auritus, n. sp. 



Deriv. The name given on account of the flattened ear-shaped extensious 

 from the anterior corners of the first segment of the pereion. 



Biagn. Cajjut magnum, non immersum, longitudine latitudinem fere Eeqnans. 



Oculi manifesti, triangulati. 



AntemuB primi paris crassse, marginem anticum segmenti primi 

 pereii non superantes, antennis secundi paris non breviores. 



Segmentum primum jjereii non excavatnm, sed in angulos auri- 

 culiformes productum, latius dimidio segmenti quarti. Segmentum 

 septimum multo angustius quam segmentum quintum. Femora paris 

 sexti pedum pereii longiora quam latiora. 



Pleon immersum, segmentum primum latius dimidio segmenti 

 quinti. 



Z7r?/Ä latior quam longior, lateribus rectis, margine postico leviter 

 excavato. 



Uropoda longa, pauUo breviora quam urus. 



The hody is convex, more than twice as long as broad. 



The lieacl is large, not immersed in the following segment, 

 nearly as long as broad (7 : 8). 



The eyes are distiuct, triangidar. 



The antennce of the first pair are robust and thick, not 

 reaching beyond the hinder margin of the head. The second 

 pair of the antennae are not longer than the first. 



The first segment of the pereion is not excavated for the 

 reception of the head, and the anterior lateral corners do not 

 form processes, but only flat ear-shaped extensions; the first 

 segment is broader than half of the fourth segment. The 

 seventh segment is mnch narrower than the fifth. The femur 

 of the sixth pair is longer than broad. 



