. The Cambridge natural history. Zoology. FORMICIDAE—ANTS 133 (notal) pieces are frequently obliterated in the workers, while they are distinct in the males and females, and the pieces them- selves are also much larger in size in these sexed individuals. The pro-mesothoracic stigma is apparently always distinct; the meso-metathoracic one is distinct in the male Dorylus, but can scarcely be detected in the winged forms of other ants, owing to its being en- closed within, and covered by, the suture between the two segments: in the workers, however, it is usually quite conspicuous. The posterior
. The Cambridge natural history. Zoology. FORMICIDAE—ANTS 133 (notal) pieces are frequently obliterated in the workers, while they are distinct in the males and females, and the pieces them- selves are also much larger in size in these sexed individuals. The pro-mesothoracic stigma is apparently always distinct; the meso-metathoracic one is distinct in the male Dorylus, but can scarcely be detected in the winged forms of other ants, owing to its being en- closed within, and covered by, the suture between the two segments: in the workers, however, it is usually quite conspicuous. The posterior part of the thoracic mass, the pro- podeum or median segment, is of considerable size ; no transverse suture between the component pieces of this part can be seen, but its stigma is always very distinct. The Fia ^_0ecodoma cephaMes. South peduncle, Or pedicel, formed by the America. A, Worker major ; B, , ., female after casting the wings. extremely mobile segment or seg- ments at the base of the abdomen (already noticed as form- ing the most conspicuous character of the family), exhibits much. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harmer, Sidney Frederic, 1862-; Shipley, A. E. (Arthur Everett), Sir, 1861-1927. [London, Macmillan and Co. , limited; New York : The Macmillan, Company
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Keywords: ., bookauthorha, bookcentury1800, bookdecade1890, booksubjectzoology
