We are therefore forced to pause awhile, and probe beneath the surface.
(I) Animal removed from its shell, a probe g passed into the sub-pallial chamber through the excurrent siphonal notch.
Failing analytically to probe its nature, historically we seek relief to our perplexities by tracing its origin..
Collectively the Ixodidae and Argasidae may be distinguished from other Acari by the presence of a median probe, armed with recurved teeth, which project forwards beneath the mouth and between the palpi, and of a conspicuous spiracular area above and usually behind the base of the fourth leg on each side.
(5) The two gill-plates of the left side reflected upwards so as to expose the fissure between foot and gill where the probe g passes.
The mouth parts consist of two small retractile mandibles, of a pair of short palpi and of the toothed probe above mentioned.
Neither did he stop at mere appearances of any kind, but, having stamped the image of things upon his brain, went on indefatigably to probe their hidden laws and causes.
Probe passed into the superior division of the subpallial chamber through the excurrent siphonal notch, and issuing by the side of the foot into the inferior division of the sub-pallial chamber.