Botany and Zoology. 101 
has been increased in that time; but about as many old ones have been 
abandoned as new ones opened. Fewer of the new wells are great 
spouting wells than formerly, Pumping wells are very constant in their 
d 
shales, mineral oil comes out in many places, and at some points very 
abundantly. One of the wells is 30 feet in diameter, and is full of a tar- 
ike oil, boiling with the escape of marsh-gas. There is also an area of ° 
1. Dioico-dimorphism in the Primrose Family.—Mr. John Scott, late 
of the Edinburgh Botanic Garden, has communicated to the Linnean 
Society an elaborate paper, entitled, Observations on the Functions and 
Structure of the Reproductive Organs in the Primulacee, which has re- 
cently been published in the 8th volume of that Society’s Journal of Pro- 
¢eedin Mr. Scott has followed up Mr. Darwin’s well-known researches 
to indicate the bearings of the subject further than they have been clearly 
prin 
points, i 
___ OF &4 species or forms of Primula which he has examined (many of 
- them only in the herbarium som 
