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Show 1894.] MAMMALIAN HAND AND FOOT. 359 (Je., Lo.) Loris gracilis : Pp. Perodicticus calabariensis: Pp. Tarsius spectrum : Pp. Chiromys madagascariensis : Pp. 4"3 1.; 3 br. on the basis. P R I M A T E S S. S. (Anthropoidea).-Pp., if situated on the trapezium, connected by ligaments with the scaphoid. Cebiclce :-Chrysothrix sciurea : Pp. 2 1.; 2 th. Cercopithecidce:- (Je.) Cynocephalus anubis : Pp. Cynocephalus (Hamadryas) cegyptiacus : Pp. r.! (1. lost). Macacus leoninus : Pp. 6 1. ; 5*5 do.-vo. Maccaus laniger: Pp. 4 1., 3*1 do.-vo. Macacus sp ? (young spec.) : Pp. Macacus inornatus: Pp. Cercopithecus ruber : Pp. 4 1.; 3-5 do.-vo. Cercopithecus cephus: ? lost. Cercopithecus mona : ? lost. (Je.) Cercopithecus cynosurus : Pp. Semnopithecus mitratus: Pp. seems to be coalesced with the scaphoid. Colobus bicolor : Pp. ? lost. Colobus ursinus (2 spec.): Pp. 3 viz., 3 1. Simiidce :-Hylobates lar: Pp. 5'8 1. ; 4 do.-vo. In Simia, Gorilla, Anthropopithecus no Pp. ( = tuberos. scaph.?); no Ph. Homo : no separated Pp. or Ph. B.-ON THE MUSCLES AND NERVES.1 I. FOREARM AND HAND. a. MARSUPIALS. 1. D I D E L P H Y S MARSUPIALIS. (Plate X X I . figs. 1, 2.) o. Flexores. The nerv. medianus and art. brachialis pass the supracondylar foramen of the humerus. Nerv. ulnaris accompanied by the ulnar artery runs behind the internal condyle. The pronator radii teres arises from the radial border of the humerus (or entepicondyloideum); it is not perforated by the median nerve. The n. ulnaris supplies the following muscles :- Forearm:-(1) The ulnaris internus (flex, carpi ulnaris) arises by two heads (humeral and ulnar) which become united; inserted into the pisiform. (2) The palmaris longus takes origin connected with the ulnar head of the former muscle ; it is divisible into two layers, a radial and superficial one and a deep or ulnar: the super- 1 I am very sorry to say that my notes and sketches concerning the Mono-tremata, Edentata, and some of the other lower mammals have been lost. 24* |
