36 
Two specimens of Pivacopteryx pigea, the pupae of which 
had been kept in damp, and one, the pupa of which had been 
subjected to normal conditions. 
Four specimens of Crenis boisduvaliz, of which one pupa had 
been subjected to dry heat, two to excessive moisture and 
one to normal conditions. 
Mr. Marshall also presented a specimen of Zeracolus auxo, 
bred from the egg laid by 7. fopha. This additional material 
has been described by Dr. Dixey, and will appear in the Proc. 
Ent. Soc. Lond. for 1905. 
Four hundred and thirty-eight Rhodesian butterflies, 30 
Neuroptera, 11 Orthoptera,and 3 other insects were presented 
by Guy A. K. Marshall, Esq. This fine collection was made in 
the following localities in Mashonaland, Rhodesia :—Umfuli 
River, Gadzima (Oct. 1895) ; Gadzima, 4,200 ft. (Aug., Oct., 
Dec. 1895); Enterprise Camp, Salisbury, 5,000 ft. (July 1895) ; 
Salisbury (1895-1902) ; Hartley Hills, 4,300 ft. (July 1895) ; 
Mombi River, Upper Umfuli River (1895); Hanyani River 
(Oct. 1901); Upper Hanyani River, 4,700 ft. (1895) ; Marudzi 
River in the Mazoe District (1894-5) ; Saruwe River, Mid 
Umfuli River, Hartley District, 4,200 ft. (1895) ; near Hartley, 
4,200 ft. (1895); Mt. Chirinda, Melsetter (Nov. 1901). 
In addition to the above the following interesting material 
bearing on the struggle for existence; all collected at Salisbury, 
Mashonaland :—A Pyralid moth, together with minute Diptera 
bred from hyperparasitic larvae which had fed upon the para- 
site of the larva of the same species of moth (1899). Diptera 
captured upon a specimen of Pachylomera femoralis (1899), 
and upon a large spider (1899). A Dipterous parasite of Capr?- 
mulgus mosambicus (1898),and of the Dusky Fly-catcher (1898). 
Four Lamellicorn Coleoptera belonging to the Glaphyrini 
(from Namaqualand, Malvern, near Durban, and other uncertain 
localities) ; 1 Pierine butterfly (a Zeracolus) captured on the 
Dingidingi River, a tributary of the Pungwe (Aug. 1894), by 
C. N. Barker, Esq. ; and a Lycaenid butterfly captured by the 
same naturalist at Beira (July 1896) were also presented by 
Guy A. K. Marshall, Esq. 
