146 APPENDIX 



Actinia mesembryanthemum), and Port Erin Marine Biological 

 Station (price 3d. each, or 2s. 9d. per doz., post free, packed in 

 seaweed, such as Actinia equina). 



LESSON IV. (3rd week in October). See page 41. 

 Part I. Dwarf Bean Plants. 

 Part II. Apparatus for observing the Sun. 



Part III. Living Crabs. If some correspondent living at the sea- 

 side will not undertake to send specimens of shore crabs, these 

 may be obtained from the Marine Station at Plymouth (price 

 4d. each, postage and packing 3d. or 6d., according to quantity). 

 NOTE. Soaked Bread must be put into the small covered glass jars described 

 in Lesson VJ. 



LESSON V. (4th week in October). See page 51. 



Part I. Sycamore Twigs bearing leaves (and those of Elm Bird and 



Broom). 

 Tropaeolum (Nasturtium) Shoots that have been kept for some time in 



boiling water, or which have been exposed to the frost. 



LESSON VI. (1st week in November). See page 68. 



Part I. Apparatus for observing the Sun. 



Part II. Mouldy Bread in small covered glass pots. 



These 2J in. in diameter and If in. high described as " 2 oz. extra 

 squat covered glass pots," may be obtained from Messrs Vines 

 & Froom, 75 Aldersgate Street, London, E.G. Price, 4d. each. 

 Fruit juice. Gelatine. This may be a piece of a " Chelsea Table 

 Jelly " (to be obtained at the grocer's at 4d. a packet), dissolved 

 in a little hot water or the prepared gelatine used in bac- 

 teriological laboratories could be used. The test tubes con 

 taining it should be placed in hot water previous to use. 

 Slips of glass. Those with ground edges used for microscopic 

 work (price at Messrs Watson & Sons, 313 High Holborn, 

 3s. 6d. per gross), are preferable to those which have been 

 roughly cut. Mouldy Lemons. 



