BiriANG TILL K. SV. VKT.-AKAD. HANDL. BAND 10. N:0 11. 17 



The head is verv large, broader tlian loug (8: 4); it eqi;als 

 the tliree first pereioBal segments in length. 



The fonrth segment of the pereion is twice the length of 

 the seventh, bnt not twice as broad (17 : 12; in G. laticauda, 

 19 : 10). 



The pleon equals the fonr first pereional segments in 

 length. 



The urus is a little broader than long (9: 7); it eqnals 

 in length the fonr first segments of the pleon. 



Colour. AVhite, densely s^Jotted with dark blne. 



Length. 3 m. m. 



Hah. The Atlantic, The Indian Sea. 



A large specimen of an ovigerous female and a male 

 were taken by Captain George von Schéele of the Swedish 

 vessel »]\Ionarch» from the month of an Exocoetns, Lat. 

 15° 30' N. Long. 45° O' AV. in the Atlantic (U. M.). Ano- 

 ther specimen, an ovigerous female, was found by me in 

 a collection of Crnstaceans, bought of the late naturalist 

 merchant Carl Wessel at Hamburg. It was labelled 

 »Indian Seas» (C. B.). 



5. Emetha adriatica, n. sp. 



Diagn. Corpns ovato-ellipticum. ante non compressum, plus cTuplo longius 



quam latins. 



Capnt magnum valde iramersum. latins qnam longius. 



Ocnli parvi, rotuiidati. 



Äntcmicv crasste, subsequales, secnndi paris sex-articulatfe, margi- 

 nera anteriorem segmenti primi pereii attingentes. 



Segmentum primum ^^e?"eä processus laterales, dimidium capitis 

 sequantes, ferens. Segmenta quinque anteriora longitudine crescentia. 

 Segmentum sextum quater fere longius segmento septimo. 



Femora parium trium ultimorum^jfrfw7« ^;e;'fH multo latiora quam 

 longiora. 



Pleon uro paulo brevius. 



Urns semicircularis, duplo latior quam longior. 



Pedes vri uro breviores, ramus interiör exteriore brevior. 



