B JL! Hi! R y 



ON THE 



BRITANNIC SPECIES OF CRANGON AND GALATHEA, 



&c. &c. 



Part L— CRANGON. 



CONSIDERATIONS ON THE SPECIES USUALLY INCLUDED UNDER THE GENUS 



CRANGON. 



As at present constituted, the genus Crangon comprises the following species, 

 which are here arranged in the order of their presumed affinities, the extra 

 Britannic species being italicized : — 



Crangon vulgaris. Fabricius (not Owen or Dana). 



Crangon Franciscorum {I) (Stimpson*). Boston Journal Natural History, 



VI., 496, pL xxii. 6. 

 Crangon rubropunctatus (Risso). Crustaces de Nice, p. 83, Hist. Naturelle de 



I'Europe Meridionale, t. v. 86. 

 Crangon propinquus {-2) (Stimpson). Prodromus, 94. 

 Crangon nigrkauda{?>) (Stimpson). Bost. Jour. Nat. Hist, vi., 496, pi. x.xii., 



fig. 5. 



* I am indebted to the kindness of the author for the descriptions of this and the other species 

 bearing his name. As the worlcs in which these occur are probably not easily accessible, I have, 

 in the note at page 47, given the characters of the species. 

 VOL. XXIV. H 



