Bulletin of the Museum of Comparative Zoology at Harvard College . flat except between spines where it isconcave. Basal and declivous portions of epino-tum rounding into each other; declivity muchlonger than base. Epinotal spines less thantwice as long as their distance apart at base,stout, rather strongly curved downward. Petiolarnode in profile with anterior and posterior sur-faces subparallel; dorsal surface slightly convex,less than twice as broad as long, separated fromposterior surface by an obtuse margin; spines alittle shorter than their distance apart at base,stout, arcuate. Sublucid.


Bulletin of the Museum of Comparative Zoology at Harvard College . flat except between spines where it isconcave. Basal and declivous portions of epino-tum rounding into each other; declivity muchlonger than base. Epinotal spines less thantwice as long as their distance apart at base,stout, rather strongly curved downward. Petiolarnode in profile with anterior and posterior sur-faces subparallel; dorsal surface slightly convex,less than twice as broad as long, separated fromposterior surface by an obtuse margin; spines alittle shorter than their distance apart at base,stout, arcuate. Sublucid. Mandibles finely striate. Ch-peuswith fine oblique striae. Head, thorax, andepinotum with regular, slightly rugose striae,which are longitudinal except on sides of prono-tum where they are oblique. Petiolar node finelystriate. Gaster densely and rather coarsely andrugosely striate longitudinally. Legs and antennae finely punctate. Erect hairs coarse, very sparse on head and apical portion of body, with sparse, recumbent pubescence. Black Fig. 47.— Polyrhachis (Hedo-myrma) geminatus Mann. Worker. Thorax petiole from above. and Head Florida: from a unique worker. The species is distinguished by the short, upturned, and bifurcatehumeral spines, and the strong sculpture of the gaster. 110. Polyrhachis (Hedgmyrala.) axnae, sp. Length mm. Head distinctly longer than broad, evenly rounded behind, sides in frontof eyes nearly straight, somewhat convergent. Clypeus evenly and moderatelyconvex, the anterior border bidentate and shallowly concave at carinae only siighty divergent, extending to opposite middle of surpassing occipital border by more than two thirds of their length. 378 billetin: museum of comparative zoology. Pronotum broader than long, broadest behind middle, margined at sides; humeral spines flat, acute at tips, divergent, and pointing slightly upward. Mesoepinotum broadest in front,


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Keywords: ., bookauthorha, bookcentury1800, bookdecade1860, booksubjectzoology