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Show 104 Mil. K. ANDERSEN ON BATS [May 16, 13 d. R hinolophus affinis superans, subsp. n. Rhinolophus affinis (partim) Peters, MB. Akad. Berlin, 1871, p. 306 ; Dobson, 1. s. c. Diagnosis. External characters : As macrurus, but with short tail. Cranial: skull rather long ; nasal swellings still broader than in macrurus ; brain-case broad ; tooth-rows rather long. Type. 2 ad. (in alcohol). Pahang, Malay Peninsula. Presented by the Selangor Museum. Brit. Mus. no. 0.7.3.2. Distribution. Lower Siam (Trong); Malay Peninsula (Pahang); Sumatra. Remarks. A specimen from Sumatra is in every respect, cranial, dental, and external, indistinguishable from those from Pahang and Trong (the latter sent for identification by the United States National Museum). 13 e. R hinolophus affinis nesites, subsp. n. Rhinolophus affinis Gerrit S. Miller, Jr., Proc. Wash. Ac. Sci. iii. (1901) p. 135. Diagnosis. External characters : As superans, but smaller, and with shorter tibia. Cranial characters unknown. Type. $ ad. (in alcohol). Bunguran Isl., N. Natunas, Aug. 24tli, 1900. Collected by Dr. W. L. Abbott. Un. St. Nat. Mus. no. 104753. Remarks. This is evidently an offshoot of the Malacca form, Rh. a. superans, isolated on the outlying N. Natunas, and developed into a well-marked race (or species). It still shows some of the chief characters of superans: the large ears, broad horse-shoe, and short tail; but, to judge from the metacarpals (the forearms are broken), it is decidedly smaller, it would seem still a little smaller than Rh. a. tener, and the tibia is very short. The skull is so much damaged that I have only been able to examine the teeth and the lower jaw. 1 3 / . R hinolophus affinis Horsf., typicus. Rhinolophus affinis Horsf., Zool. Res. Java (1824), pi. [7], figs. A, B. Rhinolophus affinis (partim) Peters, 1. s. c. (1871); Dobson, 1. s. c. (1878). I am unable to give a definite diagnosis of this, the " typical," form of Rh. affinis, having seen only one very old skin (the type) and a fragment of the skull, representing the facial portion and the tooth-rows. But these are sufficient to show, first of all, of course, the specific characters (pandurate sella, lengthened III.', dentition, &c.); secondly, that this form is quite different from any of its next neighbours, on Sumatra and the Malay Peninsula (superans), on the N. Natunas (nesites), or on Lombok (princeps). The horse-shoe seems, allowing for some shrinkage, to be quite as narrow as in Rh. a. himalayanus ; the nasal swellings, too, are as narrow as in himalayanus and tener. But, although the |