406 CRUSTACEA. 



LYCIANASSA LAGENA (Kroy.). 



Lycianassa lagena, Kroy., Groenl. Amfip., p. 9. t. i. f. 1 ; Edw. Crust. 



iii. p. 21. 

 Anonyx lagena, Kroy., 1. c., p. 16. 



Of this species numerous fine specimens are in the collec- 

 tion. 



AMPHITOE LvEVIUSCULA (Kroy.). 



Amphitoe Iteviuscula, Kroy., Groanl. Amfip., p. 53. t. iii. f. 13 ; Edw. 

 Crust., p. 30. 



AMPHITOE JURINII? (Kroy.). 



A specimen in a broken state occurs, which may probably 

 be of this species. 



ACANTHOSOMA HYSTRIX (Owen). 



Acanthosoma hystrix, Owen, Append, to Eoss's Second Voyage, p. xci., 



pi. 8. f. 4-7. 

 Amphitoe hystrix, Kroy., Grrenland's Amfip., p. 31. t. ii. f. 7 ; Edw. 



Hist. Nat. Crust, iii. p. 40. 



STEGOCEPHALUS (Kroy.) AMPULLA (Phipps). 

 PLATE XXXV., fig. 1. 



Cancer Ampulla, Phipps' Voy. Append, p. 192. t. xii. f. 3; Herbst, 



ii. p. 117. t. xxxv. f. 2. 

 Gammarus Ampulla, Sab., Suppl. Parry's First Voyage, p. ccxxix.; 



Eoss, Append, to Parry's Polar Voyage, p. 204. 

 Amphitoe Ampulla, Edw., 1. c., iii. p. 22. 

 Steyocephalus Ampulla, Kroy., Naturh. Tijdsk., iv. 150. 



An opportunity offered, by the occurrence in the collection 

 of several fine specimens of this species, of giving a correct 

 figure of the animal, together with the details of the essential 

 parts of its organization. The figures hitherto published, and 

 referred to above, are exceedingly imperfect and incorrect; 



