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79 
microscopes, arranged that the members of Societies’ should be placed 
at one long table capable of accommodating about 50 microscopes, 
while the opticians had a table to themselves at another part of the 
room, thus enabling the Society to carry out the following programme 
as arranged by the Committee :— 
THURSDAY, August 15—OBFECTS ILLUSTRATIVE OF 
MARINE LIFE. 
Ate#—Seaweeds, d&c., fructification. 
DraTomaceE=—Living and prepared valves. 
Raizopopa—F oraminifera—porcellanous, arenaceous, &c. 
Polycystina—recent and fossil. 
Spongiadze—-Calcareous, siliceous, &c. 
Spicules, gemmules, skeleton, c&c. 
Hyprozoa—Coryne, sertularia, acalepha, &c. 
Actinozoa—Alcyonium, gorgonia, helianthoida, &c. 
EcutnopeRMatTa—Star fishes, ophiocoma, spatagnus, cidaris. 
comatula, 
KEchinus (shell, spines, Ambulacra) &. 
Holothuria, synapta, &c. 
Potyzoa—Lepralia, flustra, halodactylus, bugula, avicularia, &c 
Ascidia, salpide, &e. 
Mo.1vusca—Shells, palates, cilia, eyes (cuttle), &c. 
ANNELIDa—Serpula, aphrodita, &c. 
Crustacea—Zoea of crab ; eye, shell, &c., of shrimp, prawn, 
lobster, &c. 
Pycnogonide, caprella, balanus, &c. 
Pisces—Teeth, scales, dermal skeleton, &c. 
Reprit1a—Turtle, de. 
Mammats.--Teeth, bone, hair, whalebone, &c. 
TUESDAY, August 20— OBFECTS OF GENERAL 
INTEREST either from their novelty or s-tentific value. 
At both Soirées full opportunity was given for the display and in- 
Spection of Microscopes and other Optical Instruments, with their 
latest improvements and additions, 
