306 R. T. BAKER AND H. G. SMITH. 
Johnston (J. F. W.)—On the sugar of the Hncelspint Mem. 
Chem. Soc., 1., 159. (1843 
Read before the Chemical Society, 20th December, 1842. 
On the sugar of the Eucalyptus. Phil. Mag. [2nd ser.], xx1IL., 
14, (1843). Examination of a manna from Tasmania. 
Same as the preceding. 
Ueber den Zucker von Eucalyptus. Journ. fiir prakt. 
Chemie. xx1x., 485. 
A translation of the preceding. 
Landerer (X.)—On the varieties of manna not produced by the 
Ash. Pharm. Journ., x1., 411. Mentions “ Manna Aus- 
tralis produced by Hucalyptus resinifera.” 
M ‘Coy (F.)—Cicada merens. “The great black or manna cicada.” 
Prodromus of the Zoology of Victoria, Decade v., plate 50. 
Gives a life history of Cicada merens, and states that 
Eucalyptus manna is formed by this cicada, 
Maiden (J. H.)—Report on the Vegetable Exudations collected 
by the Elder Exploring Expedition. Proc. R.8.,S. A. 1892. 
That of Myoporum platycarpum proved to be identical in 
composition. with the Manna of Commerce yielded by 
the Ash. Gums of an Acacia and Brachychiton; 
resins of Callitris and Xanthorrhea, and kinos of 
Eucalyptus are also dealt with. 
Mueller (F. v.)—Eucalyptographia. Decade x.; p. 464. 
Under Eucalyptus viminalis are records of observations on 
manna-producing insects by authorities of varying 
reliability. 
Mundy (Lieut.-Col.)—Our Antipodes, 79 (3rd ed., p. 176). 
An account of collecting manna at Bathurst, N.S.W. 
Palmer (E.)—A description of manna found on the leaves of 
Eucalyptus terminalis. Proc. R. 8., N. 8. W., 1883, 98. 
Passmore (F. W.)—The carbohydrates of manna from Eucalyptus 
Gunnii, Hook., and of Eucalyptus honey. Pharm. Journ. 
[3], xx1., 717. 
