1894.] MAMMALIAN HAND AND TOOT. 359 



(Je., Lo.) Loris gracilis : Pp. 



Perodicticus calabariensis : Pp. 



Tarsius spectrum : Pp. 



Chiromys madagascariensis : Pp. 4"3 1. ; 3 br. on the basis. 



Primates s. s. (Anthropoidea). — Pp., if situated on the trapezium, 



connected by ligaments with the scaphoid. 

 Cebidce : — Chrysothrix sciwea : 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 inomatus : Pp. 

 Cercopiihecus ruber : Pp. 4 1. ; 3*5 do.-vo. 

 Cercopithecus ceplius : ? lost. 

 Cercopiihecus 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. 

 Simiido3 : — Uylobates lav : Pp. 5*8 1. ; 4 do.-vo. 

 In Simla, Gorilla, Anthropopithecus no Pp. (= tuberos. scaph.?); 



no Ph. 

 Homo : no separated Pp. or Ph. 



B.— ON THE MUSCLES AND NEEVES. 1 



I. Forearm and Hand. 



a. MARSUPIALS. 

 1. Didelphts marstjpialis. (Plate XXL figs. 1, 2.) 

 «. Flexor es. 



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 ». ulnaris supplies the following muscles : — 



Forearm : — (1) The ulnaris interims (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 ray notes and sketches concerning the Mono- 

 tremata, Edentata, and some of the other lower mammals have been lost. 



24*" 



