Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . FIG. a3.—I, fore tibia of a European grasshopper (Meconema), containing : Ty, tympanum or outer membrane: 7V1, 7Y2, trachea. II, diagram-matic cross-section through the tibia and e;ir of the same: Ty, tympanum;Ct, cuticula; CM, hypodermis; A. the auditors organ connecting with thetympanum; B, supra-tympanal auditory organ ; (*Z, the ganglion-cell belong-ing to them; Hst, the auditory rod connecting with the ganglion-cells —Afterdraber, from Judeich and Nltsche. 30 ENTOMOLOGY. arises from the th
Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . FIG. a3.—I, fore tibia of a European grasshopper (Meconema), containing : Ty, tympanum or outer membrane: 7V1, 7Y2, trachea. II, diagram-matic cross-section through the tibia and e;ir of the same: Ty, tympanum;Ct, cuticula; CM, hypodermis; A. the auditors organ connecting with thetympanum; B, supra-tympanal auditory organ ; (*Z, the ganglion-cell belong-ing to them; Hst, the auditory rod connecting with the ganglion-cells —Afterdraber, from Judeich and Nltsche. 30 ENTOMOLOGY. arises from the third thoracic ganglion, forms a ganglion(go) upon the tympanum, and terminates in the immediateneighborhood of the labyrinth by a collection of cuneiform,staff-like bodies, with very finely-pointed extremities (primi-tive nerve-fibres?), which are surrounded by loosely aggre-
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
