NOTES AND KXHIBITS. 191 



Linn. An abnormal growth, characteristic of the plant from 

 which it was gathered, which was growing amongst a number of 

 normally developed ones at Chatswood. 



Mr. Froggatt showed entomological specimens, including (1) 

 Examples of Chalcis, n.sp., a new parasite upon the maggots of 

 the Sheep Blowflies. A description and figures of this handsome 

 little Chalcid are being prepared for publication. — (2) Larvae of 

 one of the large click-beetles, Petrolobu.s f'ortnumi Hope, (Fam. 

 Elatcrido'). These ai^e very curious, obese, white grubs, with a 

 small head and thoi^ax, a large, rounded abdomen, with the 

 terminal segment ending in a trident-shaped appendage, the 

 whole larva covered with reddish hairs. They ai'e very active, 

 live in dead wood, and form a stiff', papery-like cell when ready 

 to pupate. Specimens received from Mr. Geo. Turner, school- 

 teacher, Bourke. — (3) A new species of Mealy Bug, Pahfococcus, 

 sp., {Coccid(c) received from Miss M. Dymock, Hughenden, North 

 Queensland. The members of this genus ai*e closely allied to the 

 Icerya-group, but differ in forming no ovisac, and in giving birth 

 to living larvaj. — (4) A series of galls and female coccids of 

 Apiomorpha Jfpfcheri Fuller, from near Hay, N.S.W., upon the 

 Box-gum, Eucalyptus bicolor, showing the I'emai'kable structure of 

 the upper half of the gall in the bark and the lower half in the 

 wood. 



Mr. W. S. Dun exhibited a piece of stalactite from the Ettrema 

 Cave showing, in a cavity, portion of a Myriapod calcified. 



Dr. J. B. Cleland exhibited some webbing of gossamer spiders, 

 kindly forwarded by Mr. W. C. Grasby, of Perth, together with 

 newspaper extracts detailing the extent of the fall of this inter- 

 estinii' material in that State. The material and extracts were 

 submitted to Mr. W. J. Rainbow, of the Australian Museum, 

 who identified the webbing as that of gossamer spiders, and has 

 summarised the data connected with the fall as follows : — The 

 gossamer-silk fell during the month of October, 1915, at the 

 following localities. October 5th : Capel River, Bedfordale, 

 Gingering (near York), Pinjara, Lower Kalgan River, and 



