CLUPEIFORMES 



393 



Sub - Family Clupeinae. Pseudoberyx, P. and H. ; Histinthrissa, 

 A. S. W. Sconibroclwpea, Kner ; Eocene, Europe and Asia Minor. 

 Glupea, L. ; recent; and Eocene, Europe. Diplomystus, Cope, Pacific; 



Pig. 382. 

 Clnpea alosa, L., the Shad ; with caudal scales. (From Seeley, Frt sli watt < Fish - of Eu rope.) 



Eocene, Europe, Asia, N. America. Pellonula, Gthr. ; Atlantic. Odaxo- 

 thrissa, Blgr. ; Africa. Chatoessas, C. and V. ; Pacific and C. America. 



Sub-Family Chaninae. Chanos, Lac. — Indo-Pacific ; Chanoides^ 

 A. S. W. — Eocene, Europe. Prochanos, Bass. ; Cretaceous, Europe. 



Family Crossognathidae. An extinct group of imperfectly known 

 Cretaceous fish probably related to the Clupeidae. 



Crossognathus, Pictet ; Scyllaemus, Cope ; Cretaceous, Europe. 



Family Salmonidae. Although the parietals are often separated by 



Clnpea harengus, L., with the viscera exposed. (After Brandt, from Claus and Sedgwick.) A, 

 iums ; Ap, pyloric appendages ; Br, gills ; D, intestine ; Lip, pneumatic duct ; »;./>. genital pore ; 

 Oe, oesophagus ; S, spleen ; T, testis ; V, stomach ; Vd, vas deferens ; Vn, air-bladder. 



the supraoccipital meeting the frontals, yet they sometimes spread over 

 and join above in a median suture. On the whole, the skeleton is 

 primitive, and the chondrocranium is particularly well preserved (Fig. 302). 

 There is an adipose fin ; pyloric appendages vary in number from 200 

 to a few, or may be absent {Microstoma) ; the air-bladder, which is 



