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the pupa of a fly. 9. It moults again, and once more resembles 
its second stage (I presume the grub state ; but as it is only said 
to resemble it, not to revert to it, there may be some difference 
intended : nothing is said as to its food or feeding in this stage.) 
10. It then passes into the ordinary pupa state, nth and lastly. 
It becomes the perfect insect.”* 
These Cantharidce thus change their habits of life in the larval 
condition, and have a succession of alterations of form which has 
METAMORPHOSES OF Sitaris humeralis. 
1. Larva in its earliest form. 2. Larva in the second form. 3. False pupa, or quiet 
larva. 4. Larva in the fourth stage. 5. Nymph. (All magnified. ) 
few analogues. Fabre calls the whole proceeding hyper-metamor- 
phosis. 
In the engraving, the first figure is that of a very small 
larva (magnified) which is ready to attach itself to the bee, and 
to devour the egg of its unwilling host. The second figure 
represents the larva after its first change of skin, when it has 
ceased being carnivorous and has become a honey eater. Fig. 3 
is the false chrysalis, and Fig. 4 is that of the larva escaped from 
it. Fig. 5 is that of a nymph. 
Glowworms, which are frequently seen in many parts of 
* A. Murray, in “Ann. and Mag. Nat. Hist.,” Sept., 1870. 
