EXPLANATION OF PLATE I. 
All figures on this Plate refer to the same species, viz. Phymatocera 
aterrima, K1,, and are photographed from nature. 
Fie. 
1. Eggs removed from the abdomen of a ? —not yet laid! 
2. 9 in act of excavating a stem of Polygonatwm. Two eggs have 
been deposited, and a third excavation commenced. ‘The 
saw is seen through the cuticle, under which it has been 
plunged. 
3, Stem of Polygonatwm freshly operated on, showing a long 
pouch under the cuticle containing eggs. 
4, The same stem a few days later (more highly magnified). The 
stem is becoming shrivelled ; the eggs have grown larger 
and appear as a chain of dark oval spots. 
. Young larva feeding on the back of a Polygonatwm leaf. 
. Earthen cocoon, in which the larva pupates. 
, 8. Pupating larvae extracted from such cocoons. 
9. Apex of abdomen in the 9 imago. The “saws,” etc., are 
enclosed in their “ sheath.” 
10, Right half of a complete Terebra— 
a, saw; b, support; c, triangular plate; d, basal portion of 
sheath ; e, apex of sheath. 
11. A single saw viewed laterally. 
12. Its support in the same aspect. 
13. Saws and supports together, viewed dorsally. 
14. Details of saw near its base (x about 200). 
15. Apex of a saw and its support, similarly magnified. 
i) 
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