Classification of the Family (!iclilit1fX3. 33 ratlier move ochraceous tlian back. Eyes surrounded by well-marked white rings. Cliin and interraraia proninently white. Ears of medium length, the proectote not or scarcely blackened at the edge terminally, extreme edges wliite ; metentote whitish. Nuchal patch large, projected backwards mesially, prominently contrasted deep rich hazel. Hands and feet white above, witli an inconspicuous edging of cinnamon externally. Tail apparently like back above, whitish below, but a good example is not present on any one of these skins. Skull not unlike that of 8. margarltoi, with similarly broadened postorbital processes, narrow palatal bridge, with tendency to a posterior median spine; palatal foramina broadened mesially and ending behind opposite the middle of the anterior premolar. BulltB rather large for the group. Dimensions of the type (measured on skin) : — Head and body (approximate) 420 mm. ; hind foot 77 ; ear 53. Skull : greatest length 76 ; condylo-incisive length 67 ; zygomatic breadth 34 ; nasals (oblique) 31 ; interorbital breadth 18 ; front of incisor to back of m^ 38 ; palatal fora-mina, length 20, breadth at middle &'2, behind 4*5 ; palatal bridge 6*5; cheek-tooth series (alveoli) 14*7. Hab. Puriticacion, Magdalena Valley, S.W. of Bogota. Type, Adult female. B.M. no. 19. 10. 15. 3. Received in exchange from Frere Apollinaris Maria. Three specimens. This cotton-tail is otie of a considerable number of species known from Colombia and Venezuela which are all rather closely allied, but it differs from all by its conspicuously paler coloration. Superficially it most resembles S. margaritce, but is, of course, geographically distant from that animal. The three specimens are all absolutely alike. III. — The Classification of the Fishes of the Family Cichlidse.^-I. The Tanganyika Genera. By C. Tate Eegan, M.A., F.R.S. (Publislied by permission of the Trustees of the British Museum.) In his ' Catalogue of African Freshwater Fishes^ (iii. p. 134, 1915) Boulenger has written of the Cichlidje : " The classifica-tion of tlie very numerous African members of this family presents the greatest difficulties, and the division into genera, as here followed, is unsatisfactory and open to criticism, the Ann. d& ^L)g. N. TL'sf. Ser. 9. Vol v. 3
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