58 



Although Mr. Rainer does not belong to our Society, he has 

 most kindly shared his finds with some of our members. I have 

 had the pleasure of forwarding some specimens to the Natural 

 History Museum at South Kensington, where they have been much 

 appreciated. 



The Chirocephali were obtained in such a condition that it 

 was comparatively easy to work out the life history from the ovum 

 to the adult animal. 



It will be in the recollection of many of the members that 

 some months ago an article appeared in " Knowledge," by Dr. 

 Caiman, on the development of the Brine Shrimp (Artemia salina) 

 from ova remaining in Tidman's Sea Salt. If eight ounces of this 

 salt is dissolved in five pints of ordinary water, in about five days, 

 very minute larvae are to be found actively swimming in the brine. 

 Many experiments were made, here and elsewhere, and although 

 any quantity of larvae could be produced, all were females ; no 

 male could be found. 



Through the kindness of my friend, Mr. John Pullman, of 

 Parkstone, I obtained specimens of sea salt (similar to Tidman's) 

 from Trepani in Sicily, and Mahdia in Tunis, where it is largely 

 manufactured for the purpose of fish curing. On placing some 

 of the Trepani salt in solution, as above mentioned, there were 

 found three male Artemise, but no females. One of these was sent 

 to South Kensington, one to our President (Sir Ray Lankester), 

 and the third I hope to have an opportunity of showing to our 

 members at some future time. 



Artemia and Chirocephalus belong to the order Phyllo- 

 poda, or leaf-footed, animals, and in the earlier stages are 

 much alike. Although the former, w r hich used to be found in the 

 brine pits at Lymington, has become quite extinct in England, it 

 is a somewhat happy coincidence that at the time I was working 

 at the one the other should have been brought to me by Mr. 

 Rainer. It is interesting to note that in July last large quantities 

 of the so-called Portuguese man-of-war (Physalia pelagica) 

 appeared in Bournemouth Bay. Occasionally isolated specimens 

 are brought by the Gulf Stream to the more southern coasts of 

 England, but it is very rarely that they appear in such profusion. 



^hotogtaphical Action. 



Chairman s E. W. Barlow, Esq., F.K.A.S. 

 Secretary : Mrss E. Hawker. 



A. P. and P.N. Four Sectional Meetings have been held. The 

 Prize Lantern first of the Session took place on December 14th, 

 Slides. 191 1, in Granville Chambers, when' the 



" Amateur Photographer and Photographic 

 News " Prize Lantern Slides for 19 10 were shown by the Chair- 



