PLATE VII.

Fig. 59. _Deilephila Hippophaës_; Stage V. Secondary ring-spots on six

segments (10-5).

Fig. 60. Same species; Stage V. One or two red shagreen dots on

segments 10-4 in the position of the ring-spots of Fig. 59. Length, 6.5

centim.

Fig. 61. Same species; Stage V. Segments 9-6 of another specimen, more

strongly magnified. A ring-spot on segments 9 and 8 showing its origin

from two shagreen-dots; two red shagreen-dots on segment 7, on segment

6 only one.

Fig. 62. _Deilephila Livornica_ (Europe) in the last stage. Green form.

Copied from Boisduval.

Fig. 63. _Pterogon Œnotheræ_; Stage IV. Length, 3.7 centim.

Fig. 64. The same species at the same stage; dorsal view of the last

segment.

Fig. 65. The same segment in Stage V. Eye-spot completely developed.

Fig. 66. _Saturnia Carpini_, larva from Freiburg; Stage III. Natural

length, 15 millim.

Fig. 67. Same species; larva from Genoa; Stage IV. Length, 20 millim.

Fig. 68. Same species; larva from Freiburg; Stage III. Segments 8 and 9

in dorsal aspect. Length, 15 millim.

Fig. 69. The same caterpillar; lateral view of segment 8.

Fig. 70. _Smerinthus Ocellatus_; adult larva with distinct subdorsal

on the six foremost segments. The shagreening is only shown in the

contour, elsewhere omitted. Length, 7 centim.

[Illustration:

Plate VII.

Aug. Weismann pinx. Lith. J. A. Hofmann, Würzburg.

]

[Illustration:

Plate VIII.

Aug. Weismann pinx. Lith. J. A. Hofmann, Würzburg.

]

Studies in the Theory of Descent (Volumes 1 and 2) · 第 138 / 186 题