ON PETROLEUM AND PHOTOGEN. 41 insects taken out of the wax is represented in fig. 4. This is its dorsal surface. Fig. 5 is a representation of the abdominal surface of the same insect. Fic. 2. Fic. 3. SWFA hag - N in J | | LSS LS LL SG SS It will be seen that it has six legs, and the body is full… … Dr. Martius, commenting on the same subject, says—In Mr. Hanbury’s paper it is mentioned that Fata limbata has been assumed to be the insect producing pe-la ; but, according to Burmeiston (‘ Handbuch der Entomologie,’ IL., p. 466), this insect only inhabits Western Africa. Besides Cicada limbata,…
Technology
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