DR. J. MURIE ON THE MANATEE, AT 
Fig. 3. Reduced sketch from nature of the right axillary region, showing position of 
Fi 
(0 Je} 
.4, The female external genitalia, of nat. size:—a, anus; 7, perineal raphe: J 
the mamma; f, teat. 
’ 
labium ; v, vaginal orifice. Drawn from the specimen dissected by me in 
1870. 
PLATE VIII. 
Lye, Sternum, Limb-muscles, and Dissections of the Chest for Cervical Nerves. 
. 1. The left eye, of natural size and colour, 
Fig. 2. Front view of the sternum and part of the ribs and intercostals (2) of the right 
side, reduced ; sc, sterno-costal muscle, and f f* fasciz. 
. 3. A dissection of the palmar surface of the right fore limb from the elbow-joint 
onwards, for comparison with fig. 13, pl. xxii. Trans. Zool. Soc. vol. viii. 
B?, biceps, second head; Ba, brachialis anticus; 7”, triceps, third belly ; UZ, 
ulnar nerve ; B. rete, brachial rete; Prt, Fcr, pronator radii teres and flexor 
carpi ulnaris; @, aponeurosis; F. com, flexor communis digitorum; F.cu £c., 
flexor carpi ulnaris &c.; Pbp, adp, flexor brevis and adductor pollicis; P/, 
Fomd, palmaris longus and flexor brevis minimi digiti; Admd, abductor 
minimi digiti; Opmd, opponens minimi digiti; cnt, superficial interossei ; 
I, I, 111, IV, V, digits respectively. 
Fig. 4. The palm further dissected. . com, flexor communis cut and reflected; J to 
V, digits; 7, the single delicate lumbricalis muscle; S.¢nt, superficial inter- 
ossei; D. int and D. int’, deep interossei; bp, adp, flexor brevis and adductor 
pollicis ; abmd, abductor minimi digiti; opmd, opponens minimi digiti. 
Fig. 5. Deep dissection of back part of skull, neck, and thorax, chiefly to show the 
Vou. x1.—part 1. No. 5. August, 1880. 
cervical nervous distribution. S¢, sternum thrown back; 1, 2,3, 4,5, 6, 7, 8, 
the eight pairs of anterior cervical nerves issuing from the intervertebral 
foramina, and relations of other parts; ¢*, minute tendon (only on right side) 
between third and fourth nerves; pn, pneumogastric nerve; ph, phrenic 
nerve ; Sy, Sy*, sympathetic nerves and ganglia; 1°, third intercostal nerve ; 
Pn, posterior nares; Bo, basioccipital; ¢, condyle; a, atlas; C*, C®, bodies of 
fifth and sixth cervical vertebre; d', d’, d’, d', dorsal vertebre ; Rama, rectus 
anticus major; Rami, rectus anticus minor; Obs, obliquus superior; LJ, 
rectus lateralis; Lc',,°, longus colli (three bellies); Sca, scalenus; Di, digas- 
tric; Stm, sterno-mastoid, and Pa &c., panniculus carnosus &c. of left side 
reflected; Mn, angle of left mandible; Sh, stylohyoid bone severed ; J. rete, 
intercostal rete of vessels; Jv, jugular vein, and ca carotid artery: the rete 
mirabile covering these being removed, the former vein and artery are given 
as contracted, the better to show the cervical nervous distribution. 
I 
