| Show IT h f Ii L Lj Lf lI I I j kI kIr t f r JI JIt 4 I II t I I t 4 g J lAST JOINT OF A SPIDERS FOOT 66 6 DIameters or by Dr J E F R 11 M S at n a Meeting of the Micro Society of Utah Those who the December meeting ot of the I Society ot of Utah will doUb tI ss remember the 11 its an and instructive demonstratIon by Dr J It IC Talmage on tIme the use ot of the and oal ra In combination tion In this day Q qt os as n a prevalent ad pictures are common Most Mo ot of them however UN are of at the object on a re reduced scale scalo ny fly the use or of the mici scope scOle It Is to produce a l greatly enlarged Image ot of the tho object J and this Image may be mOil made to on the plute with perfect cy C limo result of at such a seen In the accompanying Sucha SUCh a 11 picture Is technically known itS n a dl It rein the microphotograph which latter Is 1 a picture no EO small as to requIre o a high power microscope for tor Its aLien ollon The charms and ot of are known II y tew even ot of those thoe who have learned time the value alue ot of the microscope as a tool In study and investigation Contrary to general opinion no expensive apparatus Is required ot of course a good micro microscope scope Cope Is Indispensable but this Instrument ment marut Is used tied tor or other pur pura pores a end only who have acquired ac time the It flue tire tite like likely I ur combining In ing It with the coin camera era n BUt t given a microscope end antl chili In using It the part becomes simple The phie camera i simple box bor without a lens len the microscope be beIng being Ing made to take time the place ploce ot of that In dl port part ot of the tho ordinary com cam comoro camera era oro An Any camera with removable lens remit and arranged to admit ot of ox ten lor br will answer The carefully adjusted with Inc jeet In pace place Is brought to a t ta t position and the eyepiece end ot of time the tube Is Inserted In the tho camera camero front both Instruments being rot ct on II a table The Tho mirror or of the microscope stand Is isso so placed as to illuminatI Illuminate the object uniform and nud the tho picture Is on oli the ground glass back In the ordin ordinary ar ary Wa way AU All of thIs was interestingly explained lif at the m meeting before referred to Now aim to th the herewith This Is a reproduction ot of a 1 negative made by Dr Talmage at the meeting It Is the pie t tUre ure at t the last joint Join t 0 oia II spiders over I Oh li diameters or about 42 times In are arn The photograph Is III remarkable for tor Its clear n nell and fidelity to detail under euch extremE magnification Note time the clot eler ot of the tho limb itself and Its thick hairs which though Invisible to the un Unaided aided eye ee appear hero here all n thick and heft heavy V bristles The w on the bod body ot of the tool foot are equally lilain The rho claw which mil may be corn com compared pared to the corresponding on n a bird or beast ot of Prey is III a I ormid uble weapon o beautiful comb t U 10 each claw Is III the tool with which the spider guides the thousand or 01 more threads which as the they Issue from the creo are twIsted Into a single cord ot of the web This i 1 the toot foot ot of one ot of our common garden spiders |
