330 OADID^. 



k. Four inches long. Frith of Forth (July). 



/. Two inches long. Tweed. Presented by Dr. Johnston. 



m, n. Young. Baltic. From the Haslar Collection. 



0. Three inches long. Norway. Presented by G. WoodfaU, Esq. 



p. Three inches long. Bahuslan. Presented by Hr. A. W. Malm. 



q. Young : skin. From Gronow's Collection. 



b. Greenland variety (G. ogak). 



r. HaLf-grovvn. Greenland.' — Uniform brown. 



s-t. Adult : stuffed. Greenland. — With a black lateral blotch. 



c. SJceletoni,. 



ti-v. Large specimens. British. 



w. Skull. German Ocean. From Dr. A. Giinthei's Collection. 



Detailed descriptions have been given by Artedi, Ekstrom, Parnell, 

 and Nilsson. 



2. Gadus navaga. 



Kdlreuter in Nov. Comm. Acad. Petrop. xiv. 1770, p. 484. tab. 12 

 Lepechhi, ibid, xviii. 1774, p. 512 (foot-note) ; Pali Zoogr.Ross.-As. 

 ill. p. 19G. 



D. 12-14 I 16-20 I 19-22. A. 21-24 | 23-24. 

 CiEC. pylor. 40-50. Vert. 58. 



Barbel small, shorter than the eye, the diameter of which is some- 

 what less than the width of the interorbital space, and one-half of 

 the extent of the snout. Snout subcorneal, obtuse, with the upper 

 jaw longest. The height of the body is less than the length of the 

 head, which is one-fourth of the total (without caudal). The vent 

 is situated vertically below the origin of the second dorsal. Tail 

 very slender ; fins separated by interspaces from one another. Pro- 

 portions of the fins : — 



ID. 2D. 3D. 1 A. 2 A. 

 1 : 1-5 : 1-2 : 1-8 : 1-2 



Caudal fin truncated. Brownish, with reticulated dark lines on the 

 back. 



Coasts of Northern Russia. 



a, b-c. Seven to nine inches long. White Sea. 



3. Gadus macrocephalus. 



Wachnja. 



Gadus macrocephalus, Tiles. Mem. Acad. Sc. St. Petcrsh. ii. 1810, p. 350. 

 tab. 16. 



Barbel as long as, or longer than, the eye. Head very large, its 

 length being more than one-third of the total (the caudal included). 

 The body is lower than the head is long. Upjjcr jaw longest. The 

 vent is situated vertically below the origin of the second dorsal. 



