. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. THE SPINAL NERVES. 185 towards the outer side of the FUca cubiti ; in this course it supplies four branches : a. The Bamti^ êuhgcapularii passes dorsally to tlie M. »nh- j3. A Bamm pecio- rali^ (Fi^- 123 »/>}, passes forwards to the J/, ahdomino-jjedoralh and to the skin of the pectoral region {B. cuianeu4t ijedoraliîY y. The 3'. cuianem anfibrachii superior ft. )iiediaJi4t (kc) passes to the skin of the inner side of the fore- arm ; this and the two followinor nerves are given off near the Piica ciiliti. Fig. 12:. Nerves o
. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. THE SPINAL NERVES. 185 towards the outer side of the FUca cubiti ; in this course it supplies four branches : a. The Bamti^ êuhgcapularii passes dorsally to tlie M. »nh- j3. A Bamm pecio- rali^ (Fi^- 123 »/>}, passes forwards to the J/, ahdomino-jjedoralh and to the skin of the pectoral region {B. cuianeu4t ijedoraliîY y. The 3'. cuianem anfibrachii superior ft. )iiediaJi4t (kc) passes to the skin of the inner side of the fore- arm ; this and the two followinor nerves are given off near the Piica ciiliti. Fig. 12:. Nerves of the veniral sariaoe of the arm. The band {HouuecL rv Uj^r cntaneons bnuic-Ji of the X. radialis. re' Txiwer cntaoeoos braitc^ of the X. radialis. V X. plnaris. me R. cnian. snp. of the X. nlnaris. ue' R cnîaiL inf. of the X. nlnaris. h. The -A~ cufaneus aniihrachu infenoT #. donaVi* ê. nnt4c»îo- cvtaneui (ifc) at once suppHes branches to the 'or carpi raili- alk^, and then runs downwards upon the muscle and bifurcates :— [i] The B. lafrrali* is distributed, by two twigs, in the M. Hexor carpi vinarii and in the skin of the second finger, to which it sup- phes the Rami digiiale^ rolari* and dormfis. [2] The 7?. dormli^t, after gi^*ing a cutaneous twig to the second finger, is distributed by numerous twigs to the skin of the dorsal surface of the hand. The -A. ubtari^ then passes between the J/. Hexor carpi radiali^ and the tendon of the J/. »iferno-raâiart^, sinks deeply into the BVim cubiti, where it Hes between the J/. Hexor carpi ra^iaU^ and the Flexor carpi uînaris, then between the latter and the Flexor anfi- brachii mediali^^ on the one side and the Flexor digitoruhi communis on the other : it supplies branches to all these mxiscles, and while still in the forearm divides into two terminal branches :— a. The B. uluariê medialiê is the smaller; it runs inwards, * As this muscle increases in size daring the breeding season, it ?would be inter- esting
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