214 Zoological Society : — 



The incisors are narrow, compressed, and pointed. The molar 

 series are distant from and parallel to each other. The first and 

 second upper molars are nearly of the same size, and much larger 

 than the third and last. All three are composed of five enamel- 

 folds or larainse, obliquely directed inwards and hindwards : the first 

 and second of these are united as well on their inner as on their outer 

 side ; the third, fourth, and fifth are united on the inner side ; but 

 on the outer side only the first and fifth enamel-folds are united. 

 The lower molars are of the same size as the corresponding upper 

 ones ; but their enamel-folds are all united on the inner, and sepa- 

 rate on the outer side, except in the first (which has six enamel- 

 folds) the three anterior ones, and in the second and third (which 

 have four enamel-folds) the first and second ones. 



PlATACANTHOMYS LASIURTJS, Blyth. 



P. magnitudine Muris ratti, auriculis acuminatis, capitis dimidio 

 longioribus, vibrissis longissimis ; supra umbrino-fuscus, subtus 

 albidus, jugulo pectoreque Jlavescentibus, cauda umbrino-fusca, 

 apice albido. 

 Long, a rostri apice ad caudse basin 0™"138 ; caudse 0™"110. 

 Hab. India orientalis, prov. Malabar. 



The size of this curious little animal is nearly the same as that of 

 the Black Rat. The head is rounded, rather flattened, with pointed 

 snout, naked muzzle, extremely long whiskers, eyes of moderate size ; 

 ears moderate, pointed, and, with the exception of a few scattered 

 hairs on the outer side, entirely naked. The fur is soft, on the upper 

 part, from neck to tail, intermixed with flat, longitudinally grooved 

 bristles. The limbs are proportionate and of moderate length, the 

 anterior shorter than the posterior ones. The fourth toe is the 

 longest, but only a little longer than the third ; the second and fifth 

 toes are much shorter, and nearly of the same length ; but the first 

 is very short, and provided with a well-developed claw. The tail is 

 nearly of the same length as the body ; it is thickly covered with hair, 

 which is short on its base, and becomes more lengthened and disti- 

 chous from its second third. 



metre. 



Total length 0'248 



Distance from snout to base of tail 0- 138 



Length of the head 0-030 



of the ears O'OH 



of the anterior extremity (from the elbow 



to the end of the fourth finger) 0-035 



of the sole of the hand and fingers 0*014 



of the hinder extremity (from knee to the 



fourth toe) 0*050 



of the sole of the foot and toes 0'025 



Total length of the tail 0* 110 



Length of the tail without hair 0*080 



The specimen represented was obtained by the Rev. H. Baker, of 



