162 PROF. ST.-GEORGE MIVART ON THE jELUROIDEA. [Feb. 7, 



its inner cusp is much larger relatively ; it is really the largest 

 tooth, and has three roots. '—^ is shaped like ^—, but is smaller, 

 with two outer cusps and one large inner cusp ; it has two roots, 

 p— J is broader in proportion to its length and has less talon, but a 



more marked anterior tubercle. ^— ^ is much broader in proportion 

 to its length, and its cusps are less pointed and prolonged. Its talon is 

 raised to the level of the ('rent part of the tooth, and forms the tooth's 

 hinder half with four small cusps arranged in a semicircle, while the 

 front half of the tooth bears three larger cusps, one foremost and tlie 

 other two side by side, j^ is quinquecuspidate, with two large 



cusps in front (not side by side), and three smaller ones behind 

 arranged in a semicircle. 



Comparing tJie deciduous teeth with those of Viverra, I find — ^ 

 with less talon, -^— (the deciduous sectorial) with a relatively 

 smaller internal cusp and with the fourth cusp a little smaller. 

 This tooth is decidedly more sectorial than is the permanent sectorial 

 tooth, its posterior cusp being relatively larger. -^— is much like 

 that of Viverra, but is rather more quadrate, g-^ and g-j^ have less 

 talon than in the Civets, g-j is more sectorial than the permanent 



sectorial tooth, and is very like that of the Civet, except that its 

 talon is rather smaller and the tuberosities upon it (especially the 

 innermost one of them) less developed. 



As examples of the considerable differences in the forms and sizes 

 of the teeth in different species or races, I may perhaps be permitted 

 to remark that the British-Museum specimen called P. macrodus 

 by Dr. Gray well merits its name fr n the large size of its teeth '. 

 There is no skin of this species in the collection ; and its habitat is 



unknown, jj^ are very small in the skulls named P. larvatus, 

 P. grayii, and P. lanigera in the national collection ; and they are 

 rather small in P. zeylanicus and P. bondar. ^^^ (the sectorial 



teeth) are very sectorial in character in the forms named P. hernia- 

 phroditus, P. bondar, and P. lanigera. They are, on the other 

 hand, more quadrangular and very unsectorial in form in P. macrodus, 

 P. nigrifrovs, P. larvatus, P. grayii, P. j)hiUppensis, P. zeylanicus, 

 P. leucomystax, and P. fasciatus. 



In the Museum of the Royal College of Surgeons there is a skull 

 (No. 4304 b) in which ^j^ are entirely absent. It com.es from Nepal. 



In the British Museum there is also a skull (No. 154 6), which 

 was purchased from the Zoological Society and said to have come 



from Manilla, in which ^j^ are also entirely wanting^. But the 



Manilla skull has -^— and —— more quadrate and -^— much thicker ; 

 also jj-| is wider and vj-^ is larger ; and g-^ is wider and more 



> P.Z.S. 1864,p. 538. ^^ 2 



^ Ou the left side of the skull there are two small boles in the place where — '— 

 would be were it present. These holes, however, look more like small i'racl ui-es 

 or some pathological condition than like alveoli. 



