﻿520 
  F. 
  E. 
  Wright 
  — 
  Methods 
  in 
  Microscopical 
  Petrography. 
  

  

  Table 
  II. 
  — 
  Continued. 
  

  

  n 
  

  

  1/71* 
  

  

  n 
  

  

  1/n 
  2 
  

  

  n 
  

  

  1/n 
  2 
  

  

  1-640 
  

   1 
  

   2 
  

   3 
  

   4 
  

  

  0-371 
  803 
  

   •371 
  350 
  

   •370 
  897 
  

   •370 
  446 
  

   •369 
  996 
  

  

  1-680 
  

   1 
  

   2 
  

   3 
  

   4 
  

  

  0-354 
  308 
  

   •353 
  887 
  

   •353 
  466 
  

   •353 
  046 
  

   •352 
  627 
  

  

  1-720 
  

   1 
  

  

  2 
  

   3 
  

   4 
  

  

  0-338 
  021 
  

  

  •337 
  628 
  

   •337 
  236 
  

   •336 
  845 
  

   •336 
  454 
  

  

  1-645 
  

  

  6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-369 
  546 
  

   •369 
  097 
  

   •368 
  649 
  

   •368 
  202 
  

   •367 
  755 
  

  

  1-685 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-352 
  209 
  

   •351 
  791 
  

   •351 
  374 
  

   •350 
  958 
  

   •350 
  543 
  

  

  1-725 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-336 
  064 
  

   •335 
  675 
  

   •335 
  286 
  

   •334 
  898 
  

   •334 
  511 
  

  

  1-650 
  

   1 
  

   2 
  

   3 
  

   4 
  

  

  0-367 
  309 
  

   •366 
  865 
  

   •366 
  421 
  

   •365 
  978 
  

   •365 
  535 
  

  

  1-690 
  

   1 
  

  

  2 
  

   3 
  

   4 
  

  

  0-350 
  128 
  

   •349 
  714 
  

   •349 
  301 
  

   •348 
  888 
  

   •348 
  476 
  

  

  1-730 
  

   1 
  

   2 
  

   3 
  

   4 
  

  

  0-334 
  124 
  

   •333 
  738 
  

   •333 
  353 
  

   •332 
  968 
  

   •332 
  585 
  

  

  1-655 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-365 
  094 
  

   •364 
  653 
  

   •364 
  213 
  

   •363 
  774 
  

   •363 
  335 
  

  

  1-695 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-348 
  065 
  

   •347 
  655 
  

   •347 
  245 
  

   •346 
  836 
  

   •346 
  428 
  

  

  1-735 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-332 
  201 
  

   •331 
  819 
  

   •331 
  437 
  

   •331 
  055 
  

   •330 
  675 
  

  

  1-660 
  

   1 
  

   2 
  

   3 
  

   4 
  

  

  0-362 
  897 
  

   •362 
  461 
  

   •362 
  025 
  

   •361 
  589 
  

   •361 
  155 
  

  

  1-700 
  

   1 
  

   2 
  

   3 
  

   4 
  

  

  0-346 
  021 
  

   •345 
  614 
  

   •345 
  208 
  

   •344 
  803 
  

   •344 
  398 
  

  

  1-740 
  

   1 
  

   2 
  

   3 
  

   4 
  

  

  0-330 
  295 
  

   •329 
  915 
  

  

  •329 
  537 
  

   •329 
  159 
  

   •328 
  781 
  

  

  1-665 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-360 
  721 
  

   •360 
  288 
  

   •359 
  856 
  

   •359 
  425 
  

   •358 
  994 
  

  

  1-705 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-343 
  995 
  

   •343 
  592 
  

   •343 
  189 
  

   •342 
  787 
  

   •342 
  386 
  

  

  1-745 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-328 
  405 
  

   •328 
  029 
  

  

  •327 
  653 
  

   •327 
  278 
  

   •326 
  904 
  

  

  1-670 
  

   1 
  

   2 
  

   3 
  

   4 
  

  

  0-358 
  564 
  

   •358 
  135 
  

   •357 
  707 
  

   •357 
  280 
  

   •356 
  853 
  

  

  1-710 
  

  

  1 
  

   2 
  

   3 
  

   4 
  

  

  0-341 
  986 
  

   •341 
  586 
  

   •341 
  187 
  

   •340 
  789 
  

   •340 
  392 
  

  

  1-750 
  

  

  1 
  

   2 
  

   3 
  

   4 
  

  

  0-326 
  531 
  

   •326 
  158 
  

   •325 
  786 
  

   •325 
  414 
  

   •325 
  043 
  

  

  1-675 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-356 
  427 
  

   •356 
  002 
  

   •355 
  577 
  

   •355 
  154 
  

   •354 
  731 
  

  

  1-715 
  

  

  6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-339 
  995 
  

   •339 
  598 
  

   •339 
  203 
  

   •338 
  808 
  

   •338 
  414 
  

  

  1-755 
  

   6 
  

  

  7 
  

   8 
  

   9 
  

  

  0-324 
  673 
  

   •324 
  303 
  

   •323 
  934 
  

   •323 
  566 
  

   •323 
  198 
  

  

  1-680 
  

  

  0-354 
  308 
  

  

  1-720 
  

  

  0-338 
  021 
  

  

  1-760 
  

  

  0-322 
  831 
  

  

  