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Show 1868.] DR. J. E. GRAY O N THE CANID.E. 495 sectorial grinders compressed, three-lobed, with a small tubercle • •, 2-2 on the front part of the inner side; tubercular ggrriinnddeerrss \.--^ Pupil often elliptical, erect. 11. VULPES. Ears moderate ; ear-bullaa moderate. 12. F E N N E C U S . Ears very large ; ear-bullse large. 13. L E U C O C Y O N . Skull broad in front of orbits. E. Bristle-tailed Foxes. Tail elongate, hairy, with a crest of bristles along the upper edge. Teeth like Foxes. 14. UROCYON. F. Raccoon Dog. Tail short, straight, bushy. Upper sectorial grinders compressed, three-lobed, with a small anterior internal lobe ; tubercular grinders ^ . 15. NYCTEREUTES. II. Aberrant Canidee, or Viverrine Dogs. Upper sectorial teeth small, triangular, as broad as long ; tubercular grinders ^ j , oblong transverse, subequal. Subfam. 4. M E G A L O T I N A . Tail straight, short, bushy. Skull elongate. Ears large. 16. MEGALOTIS. The subfamilies may be thus arranged:- fl. LYCAONINA 1 I. Skull solid; postorbital j 2. C A N I N A I Tail sliort, straight, busby. process thick, cjiivex^j Wolves J above. LUPIN.E ] Caninia (Dogs) Tail elongate, curled to the left. 1^ Fox-tailed Wolves... Tail elongate, straight. T1 c„ „ ,, • , .. , | 1. Foxes Tail elongate, soft, bushy. II. Skull thin; postorbital ± Bristle.tailed F o x e s . Tail elon|ate bris'tlv< ^ process thin, concave Racc00n D , * _ above. VULI-IX.E , Tr- • 1-.& ,l- lail short, straight, bushy. l_ 4. Viverrine D o g J b ' •* i. Normal Canidse. The upper sectorial grinders compressed, three-lobed, with a small tubercle on the front of the inner edge. Section I. LUPIN^E. Skull thick, solid; postorbital process thick, convex above, and bent down at the end. Lupince, part., Burmeister and Spencer Baird. Subfam. 1. LYCAONINA. Head short, broad; nose short, broad. Teeth large, close together. Palate very broad, short. 1. LYCAON. Hyaena Dog. Skull short, broad; nose short, bread, swollen; palate short, |