296 oir ctnooaIiE BBznrBTTi. Mar. 20, 



(6) The coraco-brachialis has only the second part in Hygtruc, 

 in the Tree-Porcupines the second and third parts are present. 



(7) The brachial]* anticus consists of two parts in Hystrix, while 

 in 8j>Mnguru8 only the external is present. (8) The extensor 

 secundi internodii poUicifl is present in Hystrix, absent in the 

 Tree-Porcupines. (9) The piriformis is absent in Hyetrix, 

 present in Sphingurus. (10) The biceps femoris is normal in 

 Hystrix, while the two parts are distinct in the Tree-Porcupines. 

 (11) The peroneus quarti digiti is present in Hygtrix, absent in 

 the Tree-Porcupines. 



The only two definite muscular characteristics of the Hystricidae 

 as a family are : (1) The latissimus dorsi at its insertion wraps 

 round the lower border of the teres major. (2) The scalenus 

 anticus is absent. 



ChinchiUidce. — (1) There are two heads to the biceps cubiti, which 

 is inserted into both bones of the forearm. (2) The tibialis anticus 

 rises from the tendon of origin of the extensor longus digitorum, 

 as well as from the tibia. (3) The extensor proprius hallucis is 

 absent. (4) There is no peroneus quinti digiti. (5) The omo- 

 hyoid is absent. 



DosyproctidcB. — (1) The scapulo-clavicularis is specially well 

 developed. (2) The deltoid reaches down as far as the elbow. 

 (3) The biceps cubiti has only the long head and is inserted into 

 the ulna. (4) The first and second beads of the coraco-brachialis 

 are present. (o) The trapezius is divided into an anterior and a 

 posterior part. (6) A splenitis colli is present. (7) The seatwo- 

 rms is distinct. (8) The supracondylar slip of the semimembra- 

 nosus rises from the tuber ischii. ( 9 ) The tibialis anticus rises by 

 lendons from the front o£ the external condyle of the femur, as 

 well as from the front of the tibia. (10) The oino-hyoid is absent. 



CaviidcB. — (l)The biceps cubiti has one head and is inserted 

 into the ulna. (2) The coraco-brachialis only has the second ptrt. 

 (3) The trapezius is double. (4) There is a distinct scansorms 

 (5) The pectiueus rises by a narrow tendon. (6) Tibialis anticus 

 rises from tendon of origin of extensor longus digitorum as well 

 as from the tibia. (7) The extensor proprius hallucis goes to the 

 second toe. (8) The peroneus quinti digiti is absent. (9) The 

 omo-hyoid is absent. (10) The levator claviculae rises from the 

 basioccipital. 



2. Notes on Cynoya/e btnnttti, Gray. 

 By Babu Ram Bramha Sanyal, C.M.Z.S. 



[Received January 20, 1894.] 



The acquisition by the Zoological Garden, Calcutta, of a spe- 

 cimen of Cyaoyale bennettii, Gray, from Borneo, has enabled me 

 to have a water-colour sketch made of this interesting mammal 

 whilst alive, which I beg leave to forward to the Society, together 

 with a few notes rp^ardinsr its external characters and habits in 



