MOOK. VARIATION IX SPIRIFER MUCRONATUS 



20: 



Spirit er mucronatus mut. alpenense — Continued 







Adult 



Stage 







Neanic 



Stage 





Number 



Width 



Height 



Index 

 (reverse) 



Index 



Width 



Height 

 ( 



Index 

 reverse) 



Index 



503 



25 mm. 



19mm. 



.760 



1.31 



25mm. 



12mm. 



.480 



2.08 



504 



, 33 



24.5 



.742 



1.34 



33 



15.5 



.499 



2.12 



505 



33.5 



21 



.626 



1.59 



33.5 



10 



.298 



3.35 



506 



, 27 



22.5 



.833 



1.20 



27 



14 



.518 



1.92 



507 



36 



21 



.583 



1.71 



36 



12.5 



.347 



2.88 



508 



, 30 



23 



.766 



1.30 



30 



10.5 



.350 



2.85 



509 



, 28 



19.5 



.696 



1.43 



28 



10.5 



.375 



2.66 



510 



, 28 



19.5 



.696 



1.43 



28 



13.5 



.482 



2.07 



511 



, 28 



24 



.856 



1.16 



28 



13 



.464 



2.15 



512 



. 25 



21 



.840 



1.19 



25 



14 



.560 



1.78 



513 



, 36 



26.5 



.736 



1.35 



36 



16.5 



.458 



2.18 



514 



, 28 



21 



.750 



1.33 



28 



13.5 



.482 



2.07 



515 



, 32 



23.5 



.734 



1.36 



32 



9 



.281 



.3 . 55 



516 



. 30 



21 



.700 



1.42 



30 



9 



.300 



3.33 



517 



. 40 



19 



.475 



2.10 



40 



11 



.275 



3.63 



518 



, 30 



17.5 



.583 



1.71 



30 



10 



.333 



8.00 



519 



► • • ■ > 



.... 



.... 



.... 



.... 



.... 



.... 







520 



. 30 



22 



.733 



1.36 



30 



12.5 



.416 



2.40 



521 



. 26 



26 



1.000 



1.00 



26 



13.5 



.519 



1.92 



522 



. 26 



15.5 



.596 



1.67 



26 



8.5 



.326 



3.05 



523 



. 31 



15.5 



.500 



2.00 



31 



8 



.258 



3.87 



524 



. 29 



22 



.758 



1.31 



29 



12.5 



.431 



2.32 



525 







.... 



.... 



.... 



.... 



.... 



.... 



.... 



526.... 



. 35 



21.5 



.614 



1.62 



35 



10 



.285 



3.50 



527.... 



. 25 



22 



.880 



1.13 



25 



9.5 



.380 



2.63 



528.... 



. 27 



21 



.777 



1.28 



27 



12.5 



.462 



2.16 



529.... 



. 31 



19 



.612 



1.63 



31 



10.5 



.338 



2.95 



530.... 



. 28 



21 



.7.50 



1.33 



28 



13 



.464 



2.15 



531.... 



. 30 



19 



.633 



1.57 



30 



10.5 



.350 



2.85 



532.... 



. 35 



22 



.628 



1.59 



35 



11 



.314 



3.18 



533.... 



. 27 



18.5 



.611 



1.45 



27 



9 



.333 



3.00 



534.... 



. 29 



19 



.655 



1..52 



29 



8 



.275 



3.62 



535.... 



. 30 



20.5 



.683 



1.46 



30 



10 



.333 



3.00 



536.... 



. 24 



21.5 



.895 



1.11 



24 



14 



.583 



1.71 



537 



. 26 



22.5 



.865 



1.15 



26 



13 



.500 



2.00 



5.38.... 



. 24 



19.5 



.812 



1.23 



24 



10.5 



.437 



2.28 



539.... 



. 25 



21 



.840 



1.19 



25 



13 



.520 



1.92 



540.... 



. 26 



20 



.769 



1.30 



26 



14 



.576 



1.85 



541.... 



. 26 



IS 



.692 



1.44 



26 



10 



.384 



2.60 



545.... 



. 24 



19 



.791 



1.26 



24 



12 



.500 



2.00 



546.... 



. 24 



19 



.791 



1.26 



24 



7 



.291 



3.42 



547 



. 37.5 



24 



.640 



1.56 



37.5 



12 



.320 



3.12 



548 



. 23 



19 



.826 



1.21 



23 



9.5 



.413 



2.42 



549.... 



. 24 



17.5 



.729 



1.37 



24 



10 



.416 



2.40 



