. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 1^4 B. Fig 2: Caudal view of humerus of Charadriiis leschenaultii (A) and Scolopax rusticóla (B); proximal view of tarsometa- tarsus of Charadriiis dubiiis (C) and Miroiia breviroslrata nov. gen. nov. spec. (D). Not to scale. For differences between the two families see also Bolze (1968), who analyzed the histological aspect of the tip of the bill in a number of CharadriifonTies. The pits in the tip house Herbst's corpuscules, sensory or- gans which make the bill a
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 1^4 B. Fig 2: Caudal view of humerus of Charadriiis leschenaultii (A) and Scolopax rusticóla (B); proximal view of tarsometa- tarsus of Charadriiis dubiiis (C) and Miroiia breviroslrata nov. gen. nov. spec. (D). Not to scale. For differences between the two families see also Bolze (1968), who analyzed the histological aspect of the tip of the bill in a number of CharadriifonTies. The pits in the tip house Herbst's corpuscules, sensory or- gans which make the bill a highly sensitive instrument for tactile feeding. His findings support the view that the Scolopacidae are clearly different from the Charadrii- dae. Within the Scolopacidae Zusi (1984) arranges several species on the basis of the morphology of their bills into a morphocline stretching from double rhynchokinesis to strongly developed distal rhynchokinesis: from Actitis over Philomachus and Calidris to Lirnnodromiis. The Calidridinae occupy in this cline the middle positions, Philomachus being less specialized than Calidris. 4. SYSTEMATICS OF THE SUBFAMILY CALIDRIDINAE Most of the classifications of the Charadriiformes ( Kozlova 1961-62; Jehl 1968) recognize a subfamily Calidridinae, the arctic sandpipers. The genera usually placed into this group are Calidris, Euiynorhynchus, Limicola, Micropalama, Philomachus and 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 Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn : Das Forschungsinstitut
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