98 
fed with bread mixed with mycelium and spores. Twelve hours 
afterwards the cockroaches were only just t able to crawl slowly ; 
m 
shortly afterwards, and within two days was covered witha dense 
white eebheic hoes which sventoally aan sporangi 
8 stat promptly ate up their weakly SoRTRaTnE Within 
24 hours the whole of the cannibals were dead and becoming 
coveed with the Mucor. 
In the letter referred to it is stated that there is a suspicion that 
the Natal locust fungus of to-day is not the same as the species 
a = ee ay 
he may explain this suspicion. A fungus called 
Entomophthora “Gryili Fres., has long been known as a parasite 
a 
in Science Gossip, June, 1895, that the fungus was an Hntomoph- 
months ago Mr. J. H. Hart, Superintendent of the 
Botanic Garden, Trinidad, sent to Kew for ‘dete rmination a culture 
said to have been prepar ared from a n example of a “ locust Seal 
catase on the Cape Bacteriological Institution. This example 
feta culture, but certainly fhiotited™ Sitiiliphihora 
Grylli, F 
It is eit’ possible that #. Grylli oa occur as a parasite on 
the South African locust, and that it may have found its way 
ae certain of the cultures, but it is saually certain that it is not 
E. Grylli, but the Mis or described above, oe is the potent factor 
in the “locust fungus” prepared at the Cap 
The following is a Spotteay aie of the Mucor, which proves to be 
an undescribed spec 
Mucor exitiosus, VMassee. Mycelium lanosum, niveum ; hyphe 
sporangifere decumbentes, racemose ramos, sepius septate. 
beh globosa, atra, 60-100 » diam.; columella globosa vel 
Spore a beer ellipsoidew, 5- 6 x 35-4 p. Aygospore 
aaa 
Bibliography. 
1. A revision aS the Genus Cordyceps ; Geo. Massee, Ann. 
Bot., ix. (1895 
- Gazette de itan (1835). 
3. Biblioteca Italiana, xxix. (1835). 
4. Hist. N égétaux qui croissent sur PHomme et sur les 
animaux vivants (1853). 
_ in Entom. Zeit., 1858, p. 178 
he Entomophthoree of the Tuite States ; Roland Thaxte 
ae oe Soc. Nat. Hist., iv., No. vi., 1888. was 
eport or the irector of the Colonial Bact 
me ae ag 1898 ; Cape of Good Hope, 1899, p. 84. seprelee atte 
4 report on Locust—Fungus impo rted from the Cape 
p McAlpine ; N.S. Wales ic. Gaz., x., N A 
xi, Maren, 1900, > 184, Agri +» Nov., 1899, p. 1213, ‘ick 
