. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 166 J. E. Hill Bonn, zool. Beitr. associated with a deep median cell in the posterior leaf as it is in Rhinonyc- teris and Triaenops and to a lesser extent in Cloeotis. Historically, Gray (1866) first recognised the essential features of the noseleaf of Rhinonycteris in drawing attention to the then unique cellular structure of the posterior leaf and to the longitudinal strap-like process over the centre of the anterior leaf. These led him to divide it from the rhin
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 166 J. E. Hill Bonn, zool. Beitr. associated with a deep median cell in the posterior leaf as it is in Rhinonyc- teris and Triaenops and to a lesser extent in Cloeotis. Historically, Gray (1866) first recognised the essential features of the noseleaf of Rhinonycteris in drawing attention to the then unique cellular structure of the posterior leaf and to the longitudinal strap-like process over the centre of the anterior leaf. These led him to divide it from the rhino- lophids or Rhinolophina as the sole member of a separate group, the Rhino- nycterina. Interestingly, his definition of this last group would also include the more recently described genera Triaenops and Cloeotis. Gray also rec- ognised the features of the posterior leaf that characterise Hipposideros, and that separate this genus from Asellia, Aselliscus, Coelops and Paracoel- ops. The genera Rhinonycteris and Triaenops were described and illustrated in some detail by Dobson (1878) while Peters (1906) provided further illustra- tions. Thomas (1901) and Hayman (1960) gave accounts of Cloeotis and indi- cated its several similarities with Triaenops. Tate (1941) briefly discussed the three genera and provided comparative notes on several of their struc- tures, but was unable to make a direct examination of Rhinonycteris. No other detailed comparative account has appeared. All measurements are in millimetres. Minimum and maximum values are given, preceded in parentheses by the total of specimens i i i i i Fig. 1. Rhinonycteris aurantius. BM(NH) Anterior view of noseleaf. Scale = 4 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
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