KONGL. SV. VET. AKADEMIENS HANDLINGAU. BAND. 22. N:0 7. 



275 



Genus 7. EUTHEMISTO, F. E. GUÉRIN, 1825. 



Diagn. Caput mediocre, globosum. Perceon leve, epimeris distinotis instructum. Pedes peroii primi 

 paris simplices, non subcheliformes. Pedes secundi jaaris cheliformes; carpus paullo dilatatus, 

 valde productus; processus carpalis anguste concavus, in formam cochlearis redactus. Carpus 

 pedum tertii ac quarti parium dilatatus, simul cum metacarpo instrumentum prensorium 

 formans. Pedes quinti paris ceteris longiorcs, carpus valde dilatatus ac elongatus; meta- 

 carpus valde elongatus; carpus simul cum metacarpo instrumentum prensorium formans. 

 Pedes parium duorum ultimorum pedibus tertii ac quarti parium longiores. Pedes uri 

 eloDgati. 



The head is moderately large, globular. The j^erceon is sraooth, and provided with distinct 

 epimei"als. The first pair of j^erceopoda are simple, not subcheliform. The second pair 

 are cheliform; the carpus is a little dilated and much produced; the carpal process is 

 narrowly concave, gouge-shaped. The carpus of the third and fourth pairs is dilated, form- 

 ing together with the metacarpus a folding hand. The fifth pair are longer than the 

 others; the carpus is much dilated and elongated; the metacarpus is much elongated; the 

 carpus together with the metacarpus forms a folding hand. The last two pairs are longer 

 than the third and fourth pairs. The uropoda are elongated. 



Syn. 1825. Themisto, F. E. GUÉRIN. 



1828. 



H. MiLNE Edwards. 



H. Latreille. 



F. E. Guérfn-Méneville. 



P. A. Latreille. 



E. S. VOIGT. 



H. BURMEISTER. 



H. Kroeyer. 



»Uroptére.» Encyclopédie Méthodique. 

 Histoire naturelle. Torne 10"% p. 772. 



»Mémoire sur le nouveau genre The- 

 misto, de la classe de Crustacés». Mé- 

 moires de la Soc. d'Hist. nat. de Paris. 

 Torne 4™^ p. 380. 

 1830. Extrait de Eecherches pour servir ä THi- 

 stoire uaturelle des Crustacés ampM- 

 podes». Ann. des Sciences natm^elles. 

 Torne 20'"^ p. 393. 



»Themisto». Dictionnaire olassique d'Hi- 

 stolre naturelle. Torne 16"«, p. 222. 



CoLu-s d'Entomologie, p. 399. 



Iconographie du Eégne Animal de G. 

 Cuvier. Crustacés, p. 22. 



Le Eégne Animal — — — , par G. 

 Cuvier. 3™^ éd. Tome 2"^ p. 204. 



Das Thierreich — — — vom Baron 

 von Cuvier. 4'" Band, p. 202. 



Handbuch der Naturgeschichte, 2'^ Abth. 

 Zoologie, p. 569. 

 1838. »Grönlands Amfipoder». Det K. Danske 

 Videnskabs-Selskabs Naturvidensk. og 

 Mathemat. Afhandlinger. Bd. 5, p. 

 294 (66). 



1830. 



1831. 

 1836. 



1836. 



1836. 



1837. 



