LUTKEN ON THE CRUSTACEA OF GREENLAND. 149 



29. Mysis arctica, Kr. 



Kroyer, N. T., III. R., I., p. 34, t. 1, f. 5.* 



Cumacea. 



30«. Diastylis Edwardsii (Kr.). 



Cwna Edivardsii, Kr. N. T., III., p, 504, t. 5 f. 1- 

 16; II. R., II., p. 128, t. L, f. 1-3, 5, 9, 14; 

 Voyage, t. 4. . ,^ 



b, Diastylis hrevirostris (Kr.). 



Cuma hrevirostris, K. N. T., II. R., II., p. 174, t. 2, 

 f. 6 ; Voyage, t. 5 A., f. 1. 

 Obs. — Auct. cl. Sarsii a D. Edwardsii sexu (masculo) modo 

 distincta. 



31a. Diastylis Rathkii (K.). 



Cuma Rathkii, Kr. N. T., III., p. 513, t. 5-6, f. 17- 

 30 ; II. R., IL, p. 144, t. 1, f. 4-6 ; Voyage, t. 5, 

 f. L 

 b, Diastylis angulata (Kr.) 



Cuma angulata, Kr. N. T., II. R., II., p. 156, t. I., 

 f. 2, t. 2, f. 1 ; Voy., t. 5, f. 2. 

 Obs, — According to Sars, the male of 31a (Cliristiania Vidensk. 

 Selsk. Forh., 1864). 



32. Diastylis resima (Kr.). 



Cuma resima, Kr. N. T., II. R., II., p. 165, t. 2, f. 2 ; 

 Voy., t. 3, f. 1. 



33. Leucon 7iasica, Kr. 



Cuma iiasica, Kr. N. T., III., p. 524, t. 6, f. 31-33. 

 Kroyer, N. T., II. R., IL, p. 189, t. 2, f. 5 ; Voyage, 

 t. 3, f. 2. 



34. Eudorella deformis (Kr.). 



Leucon deformis, Kr. 1. c, p. 194, t. 2, i. 4 ; Voyage, 

 t. 5 A., f. 3.t 



Isopoda. 



35. Arcturus Bajffini (Sab.). J 



Idothea Baffiiii, Sabine, App. Parry's Voy., p. 50, 



t. 1, f. 4-6. 

 Milne Edwards, Hist. d. Crust., II., p. 123, t. 31, f. 1. 

 Bell, Belcher's Arct. Voy., p. 408. 



36. Idothea Sabini, Kr. 



Idothea entomon, Sabine, Suppl. App. Parry's Voy., 

 p. 227; Bell, Belcher's Arct. Voy., p. 408. 



Kroyer, Naturh. Tidsskr., II. R., II., p. 395 ; Voyage, 

 t. 27, f. 1. 



* Dymas typicus (Kr. Naturh. Tidsskr., III. R., I., p. 63) is omitted, 

 because !• believe it to be, with Myto Gaimardli of the same author, only a 

 larval form of some typical long-tailed Decapodous Crustacean. 



f Alauna Gooihiri, Bell, 1. c, p. 403, t. 34, f. 2, should be compared.Vith 

 the Greenland Cumacea enumerated above. uib 



X Arcturus Bajffini, Sab., has not, as far as I know, been found in Gre«i-Ts 

 land; but of late years the Museum at Copenhagen has received severjil 

 specimens from the Faro Islands, and from North-eastern Iceland. 



