181 



sarcode to the interior of the test. (3) In the interior of the 

 test there is no attempt at the fine arrangement of sand-grains 

 which characterises the exterior. This may be seen by the 

 specimen cut open to show the internal cavity. 



March 15th, 1901. 



Mr. C. Lees Curties : Six exhibits of Diatoms, etc. Isthmia 

 nervosa on Alga ; Heliopelta and Biddulphia, mounted as opaque 

 objects ; Diatoma hiemale, stained, showing endochrome ; Des- 

 mids {Euasti'uni) stained; and section of limestone showing 

 Foraminifera. 



Mr. A. W. Dennis : Crystals of Sodium tartrate, shown with 

 polarised light. 



Mr. C. Kousselet : A flagellate Infusorian (Mcdlomonas plossUi), 

 covered with long setae. 



Mr. A. Earland : Foraminifera [Bulimiiiae and Cassidulinae) 

 from Gulf of St. Lawrence, 100 fathoms. Many of the forams in 

 this gathering have their chambers entirely filled with pyrites 

 deposited after the death of the animals. The commencement of 

 this process may be observed in the central specimens of B. ovata, 

 where crystals of pyrites have begun to form in the sutures. 



Mr. W. R. Traviss : Louse of Cat, Trichodestes suhrostraius. 

 Found on cat at Eastbourne ; supposed to be the first discovered 

 in England. 



Mr. A. E. Hilton : Gizzard of Flea, Pidex irritans, showing the 

 muscular structure. 



Mr. K. J. Marks : Stephanoceros eichornii^ and Dinocharis 

 pocillum, taken from under ice, February 24:th, 1901, at Church 

 End, Finchley. 



April 19th, 1901. 



Mr. C. Turner : Cristatella mucedo, hatched from the statoblasts 

 taken on the Club's excursion to the East London Waterworks in 

 the autumn of 1900. 



