COLLECTIONS IN SPAIN. 587 



at Burgos and Palencia from the northern 

 tributaries, one at Soria and Segovia from the 

 southern tributaries. If this could be done on 

 such a scale as I propose, it would in itself 

 be a work worthy of the Spanish government, 

 and most creditable to any man who should 

 undertake it. The fact is that nothing of the 

 kind has ever been done yet anywhere. A sin- 

 gle collection from the Minho would be suffi- 

 cient, say from Orense or Melgago. From the 

 northern rivers along the gulf of Biscay all 

 that would be necessary would be one thor- 

 oughly complete collection from one of the 

 little rivers that come down from the moun- 

 tains of Asturias, say from Oviedo. 



The Ebro would require a more elaborate 

 survey. From its upper course, one collection 

 would be needed from Haro or Frias or Mi- 

 randa ; another from Saragossa, and one from 

 its mouth, including the minnows common 

 among the brackish waters near the mouth of 

 large rivers. In addition to this, one or two 

 of the tributaries of the Ebro, coming down 

 from the Pyrenees, should be explored in the 

 same manner ; say one collection froni Pampe- 

 luna, and one from Urgel, or any other place 

 on the southern slope of the Pyrenees. A 

 collection made at Barcelona from the river 



