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M a turc f emales:
1 specimen with a shell-length of 3,65 mm.
5 specimens 3 3 3 3 3 3 3 3 „ 3,6 33
3 33 3 3 3 3 3 3 3 J » 3.5 3 3
4 33 3 3 3 3 33 33 „ 3,45 ” 1
4 J? 3 3 3 3 3 3 3 3 „ 3,4 3 3
3 33 3 3 3 3 3 3 3 3 „ 3.35 33
2 3 3 3 3 3 3 33 „ 3,3 33
M a t, u r e male s:
10 specimens with a shell-length of 3.3 mm.t
3 3 3 3 3 3 3 3 3 3 3 „ 3.25 33
1 specimen 3 3 3 3 3 3 3 3 „ 3,2 3,
1 3 3 „ ,, 3 3 3 3 „ 3,1 3 3 ’
L a r v a 1 s t a g e s:
S t a g e T: Furca with 8 claws (males and females
4 specimens with a shell-length of 2,9 mm.
2 ,, 3 3 3 3 3 3 3 3 ,, 2,85 3 3
4 3 3 3 3 3 3 3 3 3 3 „ 2,8 ,,
3 2.7
3 3 3 3 3 3 3 3 3 3 3 3
S t a g e l I: Furca with 7 claws.
3 specimens with a shell-length of 2,4 mm.j
5 33 3 3 3 3 3 3 3 3 „ 2,3 i
1 specimen 3 3 3 3 3 3 3 3 o o 33 “r3“J „ 1
Stage III: Furca with 6 claws.
1 specimen with a shell-length of 2,0 mm.t
5 specimens 3 3 3 3 3 3 3 3 „ IM i
1 specimen 3 3 3 3 33 3 3 „ 1,85 » 1
Stage I V: Furca with 5 claws.
1 specimen with a shell-length of 1,55 mm.j
Stage V: Furca with 4 claws.
1 specimen with a shell-length of 1,37 mm.j
r specimens 3 3 3 3 3 3 3 3 „ 1.3 ” 1
Mean 3.46 mm.
Mean 3.27 mm.
Mean 2.81 mm.
Mean 2,32 mm.
Mean 1,91 mm.
31 mm.
Growth-fac t o r, fountl empirically 1,21.
lîstimated lengths of the last tive larval stages:
2,81:1,21 2,32; 2.32: 1.21 1,91; 1,91:1,21 1,58; 1,58:1.21 1.3
(2,81) (2,32) (1.91) (1.55) (1.31) (actual
Length of Stage I, 2.81 mm. 1.21 3.4 mm.
ZooIok. bidrag, Uppsala. Suppl.-Bd. I.
means).
is
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