190 



ANNALS NEW YORK ACADEMY OF SCIENCES 



Tables of Measurements and Indices 



spirifcf inucrojiatus miit. tJiedfordense 



Adult Stage 



Neanic Stage 



Number Width 



1 31mm. 



2 32 ■ 



3..... 32 



4 38.5 



5 30 



6 29 



7 31 



8 34 



9 32 



10 27 



11 34 



12 35 



13 35 



14 38 



15 34 



16 



17 30 



18 38 



19 32 



20 29 



21 33 



22 29 



23 35 



24 36 



25 28 



26 35 



27 32 



28 27 



29 29 



30 40.5 



31 32.5 



32 28 



33 31.5 



34 38 



35 27 



36 35 



37 



38 31 



39 37.5 



40 40 



41 .31 



42 32 



Height 



29mm. 



29.5 



27 



27 



30 



27.5 



26.5 



28 



32.5 



23 



24 



30.5 



28 



21.5 



26 



27.5 



28 



23 



29.5 



24 



25 



31 



24.5 



26 



23.5 



23 



27 



28 



30 



19 



28.5 



30 



20 



23 



20 

 26 

 32 

 25 

 29 



Index 

 (reverse) 



.9.35 

 .921 

 .843 

 .701 



1.000 

 .948 

 .854 

 .823 



1.015 

 .851 

 .705 

 .871 

 .800 

 .565 

 .794 



.866 

 . 723 

 .875 

 .793 

 . 893 

 .827 

 .714 

 .861 

 .875 

 .742 

 .734 

 . 851 

 .931 

 .691 

 .923 

 .678 

 .904 

 .789 

 .740 

 .657 



. 645 

 .693 

 .800 

 ' . 806 

 .906 



Index 



1.07 

 1.08 

 1.18 

 1.42 

 1.00 

 1.05 

 1.16 

 1.21 

 .98 

 1.17 

 1.41 

 1.14 

 1.25 

 1.76 

 1.25 



1.15 

 1.38 

 1.14 

 1.26 

 1.11 

 1.20 

 1.40 

 1.16 

 1.14 

 1.34 

 1.36 

 1.17 

 1.07 

 1.44 

 1.08 

 1.47 

 1.10 

 1.26 

 1.35 

 1.52 



1.55 

 1.44 

 1.25 

 1.24 

 1.10 



Width Height 



31mm. 



32 



32 



38.5 



30 



29 



31 



34 



32 



27 



34 



35 



35 



38 



34 



30 



38 



32 



29 



33 



29 



35 



36 



28 



35 



32 



27 



29 



40.5 



32.5 



28 



31.5 



38 



27 ■ 



35 



31 



37.5 

 40 

 ol 



23mm. 



20.5 



17 



20.5 



24 



19.5 



19 



23.5 



18 



17 



19 



19 



17.5 



16.5 



•79 



20 



18 



20 



19.5 



18.5 



17.5 



18 



21 



17 



22 



17 



19 



21 



20.5 



17.5 



15 



18 



23 



14 



18 



14 

 20 

 23 

 17 

 19 



Index 

 reverse) 



.741 

 .640 

 .531 

 .532 

 .800 

 .672 

 .612 

 .691 

 .562 

 .629 

 .558 

 .542 

 .500 

 .434 

 .647 



.666 

 .473 

 .625 

 .672 

 .560 

 .603 

 .514 

 .583 

 .607 

 .628 

 .531 

 .703 

 .724 

 .506 

 .538 

 .535 

 .571 

 .605 

 .518 

 . 514 



.451 

 .533 

 .575 



.548 

 .593 



Index 



1.34 

 1.56 

 1.88 

 1.87 

 1.25 

 1.48 

 1.63 

 1.44 

 1.77 

 1.58 

 1.78 

 1.84 

 2.00 

 2.30 

 1.54 



1.50 

 2.11 

 1.60 

 1.48 

 1.78 

 1.65 

 1.94 

 1.71 

 1.64 

 1.59 

 1.88 

 1.42 

 1.38 

 1.92 

 1.85 

 1.86 

 1.75 

 1.65 

 1.92 

 1.94 



2.21 

 1.87 

 1.73 

 1.82 

 1.68 



