. Journal of comparative neurology . nd twoventral bundles, the posterior roots of the mushroom bodies, {). The an-terior commissure is no longer present. 19 Section showing the entrance of fibers from the dorsal bundles into thecentral body, , which is disappearing. 20 Section showing the central part of the posterior commissure, , andthe posterior roots, , which are about to enter the protocerebral fibrous core. 21 Section showing the lateral ends of the posterior commissure, , andthe posterior roots, , now within the fibrous core. 22 Camponotus male. Section s
. Journal of comparative neurology . nd twoventral bundles, the posterior roots of the mushroom bodies, {). The an-terior commissure is no longer present. 19 Section showing the entrance of fibers from the dorsal bundles into thecentral body, , which is disappearing. 20 Section showing the central part of the posterior commissure, , andthe posterior roots, , which are about to enter the protocerebral fibrous core. 21 Section showing the lateral ends of the posterior commissure, , andthe posterior roots, , now within the fibrous core. 22 Camponotus male. Section showing the posterior commissure, , theposterior roots, , within the protocerebral fibrous core, and the ocellar nervefibers passing down from the four ocellar lobes. Oc. 4, obj. AA, Zeiss. 23 Formica, queen. Section showing the entrance of fibers from the outerocellar lobes, , down through the posterior commissure, Oc. 4, , Zeiss. 566 BRAINS OF THREE GENERA OF ANTS CAROLINE BURLING THOMPSON 0. o. I. a. c m. 567 PLATE 5 EXPLANATION OF FIGURES 24 Camponotus queen. Anterior root of the mushroom body, showing thedivision into four bundles of transversely cut fibers. Oc. 2, obj. D, Zeiss. 25 Camponotus queen. Anterior root of the mushroom body divided into twobundles, and showing fibers passing to and from the protocerebral core. Oc. 2,obj. D, Zeiss. 26 Camponotus queen. Section of the stalk of a mushroom body showingthe decussation, or origin of the anterior root fibers. Oc. 2, obj. D, Zeiss. 27 Camponotus worker. Cells from Groups I, II, III, IV of the mushroombodies. Homog. immers. 1/12, oc. 2, Zeiss. 28 Camponotus queen. Part of the frontal ganglion. Homog. , oc. 2, Zeiss. 29 Lasius worker. The nuclei of the cells of one lobe of a mushroom body,showing the Groups I to IV. Oc. 2, immers. 1/12, B. and L. 30 Camponotus queen. Cells composing the brain sheath. Homog. , oc. 2, Zeiss. 31 Camponotus worker. A nerve cell from the intercer
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmedicine, bookyear191
