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Dental Instruments for Mosquito Dissection¹

The following dental instruments have been found useful in the dissection of mosquitoes:

Krupp V2A No. 3355 Nerve explorer (straight); 3356 Nerve canal probe (angle); 3357 Nerve canal probe (curve); 3278 Nerve canal probe (angle, very fine point); 3336 Excavator (angle).

In the first place these instruments will neither corrode nor rust. They are impervious to all ordinary laboratory solutions. In the tropics, especially, this is a welcome feature. Their points remain sharp.

In the second place the probes are easy to manipulate, having comfortable handles. Their length makes easier dissections under the microscope. They are so balanced that finer operations are accomplished with less difficulty. They may be had with right or left or vertical angles as desired.

The excavator No. 3336, having a small flattened end, used in the left hand, is suitable for holding an insect in place while dissecting.

Not unduly expensive, these dental instruments have proved to be a great improvement over the ordinary dissecting needles usually supplied for entomological technique.

¹ The studies and observations on which this paper is based were conducted with the support and under the auspices of the International Health Division of the Rockefeller Foundation.

The author is Chief, Malaria Field Studies, in which the International Health Division is coöperating with the Bureau of Science, Philippine Islands.