150 EESOUECES OF CALIFORNIA. 



wet weather or within the reach of the sea-fogs. A kind of 

 molasses may be made by breaking oft' the twigs covered with 

 the secretion, and boihng them in water. 



Honey-dew is found in most countries where tlie soil is bar- 

 ren or the climate dry, and may be the same with the manna 

 of the Hebrews. It is known, too, that various insects secrete 

 sweet liquids ; and some of the Aphis genus are kept as milch- 

 cows by the ants, which stroke them dowm or tickle them witli 

 their antennae, when they want some of the sweet milk, and 

 the captive Aphis obligingly squeezes out the secretion through 

 her sides, which is industriously gathered by the milk-ants. 



]sroTE. — Nearly all the information about tlie quadrupeds and birds of Cali- 

 fornia, heretofore printed, may be found in the papers of Dr. J. S. Newberry 

 and Professor S. F. Baird, in the United States Pacific Railroad Survey Re- 

 ports. Most of my information about the fishes and fisheries, and much even 

 of the language, is derived from the conversation of Dr. W. 0. Ayres, of San 

 Francisco ; and I hope that, as he is the most competent man, he will some 

 day treat the subject in a special work. 



