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Show 296 ON CYNOGALE EENNETTI. [Mar. 20, (6) The coraco-brachialis has only the second part in Hystrix, in tbe Tree-Porcupines the second and third parts are present. (7) The brachialis anticus consists of two parts in Hystrix, while in Sphingurus only the external is present. (8) The extensor secundi internodii pollicis is present in Hystrix, absent in the Tree-Porcupines. (9) The pyriformis is absent in Hystrix, present in Sphingurus. (10) The biceps femoris is normal in Hystrix, while the two parts are distinct in the Tree-Porcupiues. (11) The peroneus quarti digiti is present in Hystrix, 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. Chinchillidce.-(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 omohyoid is absent. Dasyproctidce.-(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 heads of the coraco-brachialis are present. (5) The trapezius is divided into an anterior and a posterior part. (6) A splenius colli is present. (7) The scansorius is distinct. (8) The supracondylar slip of the semimembranosus rises from the tuber ischii. (9) The tibialis anticus rises by tendons from the front of the external condyle of the femur, as well as from the front of the tibia. (10) The omo-hyoid is absent. Caviidce.-(1) The biceps cubiti has one head and is inserted into the ulna. (2) The coraco-brachialis only has the second part. (3) The trapezius is double. (4) There is a distinct scansorius (5) The pectineus 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 Cy nog ale bennetti, Gray. By BABU RAM BRAMHA SANYAL, C.M.Z.S. [Eeceived January 29, 1894.] The acquisition by the Zoological Garden, Calcutta, of a specimen of Cynogale 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 regarding its external characters and habits in |