The South Australian Naturalist. lol 



tion for their tender bodies. The hermit, of which many 

 specimens were found, does this by taking possession of the 

 empty shells of other animals, as it increases in size, moving to 

 fresh quarters. Spider ci'abs Avere also captured. These 

 ornament their spiny coverings with bits of seaweed and living 

 sponges, until the animal is quite hidden under its living gar- 

 den, which, however, is of little weight in the water. Living 

 seaweed and living sponge make an effectual screen. An in- 

 teresting little shell (Ulima commensalis) Avas gathered in the 

 spines of sea urchins. Several forms of sea urchin (echinus) 

 were secured, as well as the related starfish. The beautiful 

 Phasianella shells gave the opportunity for a talk on the man- 

 ner in which shells were made by the animals living in them. 

 The common goose barnacle (Cirriped sp.) was examined, and 

 described, reference being made especially to the damage it does 

 to shipping generally. The outing generally was enjoyable, 

 and valuable material was gathered for the Adelaide Museum. 



Dredging Excursion, January 13, 1922. — The afternoon 

 proved almost perfect, the sea being calm, with light cool 

 breezes to mitigate the heat of the sun's rays. The party were 

 able to go out some distance, and secured some interesting 

 material, among which were a few shells, many sponges, sea- 

 weeds, crustaceans of many species, sea urchins, and sea worms. 

 Mr. Kimber dealt in an interesting manner with the life his- 

 tory. 



Note on the Dredging Excursions. — On these trips we 

 always get a varied amount of material. Messrs. Kimber, 

 Waite, Hale, Baker, and other members give the party the 

 benefit of their wide knowledge of the life histories of the many 

 forms of animal life brought up. We always pick up a fine 

 assortment of fresh seaweed. Can not any of our members 

 find some friend who specialises in seaweeds ? There is a wide 

 field here for research and discovery. 



A NEW SPECIES OF GUM TREE. 



"Eucalyptus Isi'ngiana. " 



Members will take especial interest in the drawings made 

 by the discoverer to illustrate this new species, named by Mr. 

 Maiden, of Sydney, Australia's authority on the gums, 

 ''Eucalyptus Isingiana." Every member will rejoice that our 

 hard-Avorking and enthusiastic secretary has received the 

 well-deserved honour of having this new species named after 

 him. Mr. Ising was also successful in finding a new species 

 ol^ Anthotroche, which Mr. Black has named A. truncata. 



