Methods and Principles of Systematic Zoology
192 TAXONOi1"IlC PROCEDURE PREPAR,1TION 01" TAXONOJf IC J>.ll'EUS to the method of reproduction which will ultimately be utilized in publi·'.' hooks or manuals have been published on the subject, among which may cation, since this affects both the techniques to be followed and the cost of he mentioned Ridgway (1938), Kuhl (1949), and Cannon (1936). preparation and publication. Pencil sketches should be made with a soft pencil, and bilaterally Technique in drM1,ing is largely a penmnal matter, depending on the symmetrical animals should be "corrected" for symmetry by tracing one ability and training of the individual. A scientist is fortunate if he half on the other with thin semitransparent paper. The original outline may be obtained by freehand sketching but, at ~ Delete and close up ~1 En dash least with microscopically small organisms, can be done more quickly and accurately by one or another mechanical means. Perhaps the most popu 0 Reverse ;I Insert semicolon .... lar of these devices is the camera lucida, which, by means of prisms and a .... Close up (i) Insert colon mirror, projects the microscope image on a piece of paper. With this ~ Insert space 0 Insert period 'II Paragraph ?I Insert interrogation point 0 Indent one em (i) Query to author ( Move to left " Use ligature J Move to right. G Spell out LI Lower Transpose A B c n Elevate """~Wrong font ~·w. 42. Simple types of shading: A, pseudo stipple; B, stipple: C, lines (reprintedfro11t Insert marginal addition ~ Set in~ type '/'he Principles of Systematic Entomology, by Gordon Ployd FerriN, with permission of !hf' author and the publishers, Stanford University Press).
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