MOOK, VARIATION IN SPIRIFER MUGRONATUS 



205 



Spirifcr mucronatus mut. alpenense — Continued 



Number 



595.... 

 596.... 



597 



598.... 

 599.... 

 600.... 



601 



602 



603.... 



604 



605.... 





Adult 



j- 



Stage 







Neanic Stage 



A 





Width 

 25mm. 



Height 

 25mm. 



Index 



(reverse) 



1.000 



Index 

 1.00 



Width 

 25nmi. 



Height 



( 

 15mm. 



Index 

 reverse) 



.600 



Index 

 1.66 



35 



12.5 



..357 



2.80 



35 



9.5 



.271 



4.10 



33 



22 



.666 



1..50 



33 



13 



.393 



2.. 53 



29.5 



20 



.677 



1.47 



29.5 



11 



..372 



2.68 



24 



15.5 



.645 



1.56 



24 



10 



.416 



2.40 



28 



20 



.714 



1.40 



28 



13 



.464 



2.15 



28 



18.5 



.660 



1..51 



28 



11 



.392 



2.54 



29.5 



20 



.677 



1.47 



29.5 



11.5 



.389 



2.96 



28.5 



19.5 



.684 



1.46 



28.5 



12 



.421 



2.37 



30 



13.5 



.4.50 



2.22 



30 



9 



.300 



3.33 



Spirifer mucronatus mut. profundus 



SOI... 



. 23 



15 



.652 



1.53 



23 



11.5 



.500 



2.00 



802... 



. 24 



13.5 



.562 



1.77 



24 



9.5 



.395 



2.. 52 



805 .. . 



. 22 



15.5 



.704 



1.41 



22 



11.5 



.522 



1.91 



806... 



. 27 



18 



.666 



1.50 



27 



13 



.481 



2.07 



807... 



. 25 



17 



.680 



1.47 



25 



9 



.360 



2.77 



808... 



. 30 



16 



.533 



1.87 



30 



11 



.366 



2.72 



809... 



. 28 



15 



.5.35 



1.86 



28 



10 



.357 



2.80 



810... 



. 23 



16 



.695 



1.43 



23 



9 



.391 



2.55 



811... 



. 27 



15 



.555 



1.80 



27 



11 



.407 



2.45 



812 . . . 



. 28 



16 



..571 



1.75 



28 



11 



.392 



2.54 



813... 



. 23 



15 



.652 



1.53 



23 



11 



.478 



2.09 



814... 



. 22 



19 



.863 



1.16 



22 



15 



.681 



1.46 



815 .. . 



. 21 



14 



.666 



1..50 



21 



11.5 



..547 



1.82 



816... 







.... 



.... 



.... 



.... 



.... 



.... 



.... 



817... 



. 22 



15 



.681 



1.46 



22 



9 



.409 



2.44 



818... 



. 34 



18 



.529 



1.88 



34 



10 



.294 



3.40 



819... 



. 22.5 



11 



.493 



2.04 



22.5 



8 



.355 



2.81 



820... 



. 22 



19 



.863 



1.15 



22 



12 



.545 



1.83 



821... 



. 25 



20 



.800 



1.25 



25 



14 



..560 



1.78 



822... 



. 27 



16 



..518 



1.68 



27 



10 



.370 



2.70 



823... 



. 19 



13 



.684 



1.46 



19 



9.5 



..500 



2.00 



824... 



. 22 



13 



.590 



1.69 



22 



8.5 



..386 



2.58 



825... 



. 23 



17.5 



.760 



1..31 



23 



11 



.478 



2.09 



826... 



. 23 



19.5 



.847 



1.17 



23 



11 



.478 



2.09 



827... 



. 19.5 



14 



.717 



1.39 



19.5 



12.5 



.641 



1.56 



828... 



. 19 



19 



1.000 



1.00 



19 



10 



..526 



1.90 



829... 



. 26 



18 



.692 



1.44 



26 



10 



..384 



2.60 



830... 



. 20 



17.5 



.875 



1.14 



20 



9 



.450 



2.22 



831... 



. 21 



15.5 



.7.38 



1..35 



21 



10.5 



.500 



2.00 



8.32... 



. 23 



16 



.695 



1.43 



23 



12 



..521 



1.91 



833 . . . 



. 27 



15.5 



.574 



1.74 



27 



10 



..370 



2.70 



