PRESENCE OF A TRUE MANNA ON A BLUE GRASS, 307 
Ray (J.)—Correspondence of John Ray. Letters from John Ray 
to Dr. Robinson and reply re the formation of Manna by 
cicadas in Italy, Sept., 1685. Ray Society, 1848, 176. 
Robinson (Dr.)—[See “ Ray.”] 
Scott (J.)—Revision of the British Museum collection of Psyllide. 
Trans. Ent. Soc., London, 1882, 449. 
Several species from Tasmania are re-described in this paper. 
Stokes (J. L.)—Discoveries in Australia. At p. 482, Vol. 11, 
will be found Surgeon Bynoe’s account of his observations 
on Cicadas and Manna. See also 1., 286. 
Bynoe states that a species of cicada plentiful on the North 
Coast of Australia does produce manna, 
Tepper (J. G. O.)—Remarks on the Manna or Lerp insect of 
South Australia. Journ. Linn. Soc., (Zoology) xvi1., p. 109, 
(1883.) 
A general account of the formation of Lerp, and its forma- 
tion in South Australia. 
Thomson (I.)—Chemistry of Organic bodies. Vegetables. At 
p. 642 is an account of Australian Manna. 
Walker (F.)—British Museum Catalogue, Homoptera, 1851, p.910. 
Contains description of Australian species of Psylla (Livia 
longipennis.) Insecta Saunderi, 111., 1855. 
Description of Australian species of Psylla in Saunders’ 
collection. 
West (T.)—A brief description of a singular insect production 
found in some parts of Australia. Sydney Magazine of 
Science and Art, 1, 75, 1858. 
An account of Lerp or Laarp. 
Wooster (W. H.)—How the Lerp Crystal Palace is built. Journ. 
Micros. Soc. Vict., Vol. 1., No. 4, p. 91, (1882), (1 plate.) 
Observations on a Victorian species of Psylla which he 
watched building its covering under the microscope. 
